This is a list of allies who have at one point or another stood against the various enemies of the Mario franchise and all related series of video games and other media. The list includes the game or other type of media where each ally first appeared.
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A
- Action Toad – Paper Mario: Color Splash
- Admiral Bobbery – Paper Mario: The Thousand-Year Door
- Alien Bunny – WarioWare, Inc.: Mega Microgame$!
- Ana's Crew – WarioWare, Inc.: Mega Microgame$!
- Angelica – The Super Mario Bros. Super Show!
- Arewo Shitain-hakase – Wario Land 4
- Art and Deco – WarioWare: Touched!
- Audience – Paper Mario: The Thousand-Year Door
B
- Baby Bowser – Super Mario World 2: Yoshi's Island
- Baby Daisy – Mario Kart Wii
- Baby Donkey Kong – Yoshi's Island DS
- Baby Luigi – Super Mario World 2: Yoshi's Island
- Baby Mario – Super Mario World 2: Yoshi's Island
- Baby Peach – Mario & Luigi: Partners in Time
- Baby Wario – Yoshi's Island DS
- Baby Yoshi – Super Mario World
- Balloon Bully – Yoshi's Story
- Bandana Blue – Super Mario RPG: Legend of the Seven Stars
- Bandy Andy – Paper Mario: The Thousand-Year Door
- Banktoad – Super Mario Galaxy 2
- Barney Bubble – Super Mario World 2: Yoshi's Island
- Baron von Zeppelin – Super Mario World 2: Yoshi's Island
- Barry – Super Paper Mario
- Beanstalk – Super Mario Bros.
- Belltop – Mario Party 3
- Bestovius – Super Paper Mario
- Big Bad Wolf – The Super Mario Bros. Super Show!
- Big Bertha – Super Mario Bros. (film)
- Big Daddy – Super Mario Sunshine
- Big Paint Star – Paper Mario: Color Splash
- Big Penguin – Super Mario 64
- Birdo – Super Mario Bros. 2
- Birdo (species) – Super Mario Bros. 2
- Birdley – Mario & Luigi: Bowser's Inside Story
- Blablanadon – Mario & Luigi: Superstar Saga
- Black Yoshi – Yoshi's Story
- Blappy – Super Paper Mario
- Blitties – Mario & Luigi: Bowser's Inside Story
- Blooey – Paper Mario: The Thousand-Year Door
- Blubi – Super Paper Mario
- Blue Paratroopa – Mario & Luigi: Bowser's Inside Story
- Blue Toad – New Super Mario Bros. Wii
- Blue Yoshi – Yoshi's Story
- Boards – Super Mario Galaxy
- Bob-omb Buddy – Super Mario 64
- Bomberman – Wario Blast: Featuring Bomberman!
- Bombette – Paper Mario
- Bonneter – Super Mario Odyssey
- Boomer – Super Paper Mario
- Boomerang Bro – Super Mario Momotarō
- Bootler – Paper Mario
- Bouncie – Yoshi's Island DS
- Bowser – Super Mario Bros.
- Bowser Jr. – Super Mario Sunshine
- Brighton – Mario Party 6
- Broggy – Mario & Luigi: Bowser's Inside Story
- Broque Madame – Mario & Luigi: Bowser's Inside Story
- Broque Monsieur – Mario & Luigi: Bowser's Inside Story
- Brown Yoshi – Super Mario World 2: Yoshi's Island
- Bubble Plant – Paper Mario
- Bub-ulb – Paper Mario
- Bumpty – Super Mario World 2: Yoshi's Island
- Bunsen – The Super Mario Bros. Super Show!
- Businessman – Paper Mario: The Thousand-Year Door
- Butterfingers – The Super Mario Bros. Super Show!
- Bachelor – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Baffle – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Banana Bird Queen – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Banana Fairy – Donkey Kong 64
- Banana Fairy Princess – Donkey Kong 64
- Banjo – Diddy Kong Racing
- Barnacle – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Bazaar – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Bazooka – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Benny – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Björn – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Blizzard – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Blue – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Boomer – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Bones – Saturday Supercade
- Bramble – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Bubblainian – Super Mario Odyssey
- Bumper – Diddy Kong Racing
C
- Cannon Pianta – Super Mario Sunshine
- Cappy – Super Mario Odyssey
- Captain Abidab – The Super Mario Bros. Super Show!
- Captain Clump – The Super Mario Bros. Super Show!
- Captain Shy Guy (Mario Party 8) – Mario Party 8
- Captain Shy Guy (Minion Quest: The Search for Bowser) – Mario & Luigi: Superstar Saga + Bowser's Minions
- Captain Syrup – Wario Land: Super Mario Land 3
- Card Connoisseur Toad – Paper Mario: Color Splash
- Carrie – Super Paper Mario
- Caterpillar – Super Mario Galaxy
- Chakron – Mario & Luigi: Bowser's Inside Story
- Chancellor – Super Mario RPG: Legend of the Seven Stars
- Chanterelle – Paper Mario
- Cheepy's mother – The Super Mario Bros. Super Show!
- Chet Rippo – Paper Mario
- Chosen Toads – Paper Mario: Color Splash
- Cleftor – Paper Mario: The Thousand-Year Door
- Coach – Super Mario Galaxy
- Cork and Cask – Mario & Luigi: Superstar Saga
- Corporal Paraplonk – Mario & Luigi: Bowser's Inside Story
- Cortez – Paper Mario: The Thousand-Year Door
- Cosmic Spirit – Super Mario Galaxy 2
- Co-Star Luma – Super Mario Galaxy 2
- Count Bleck – Super Paper Mario
- Crab – Super Mario: Mario im Wunderland
- Crate Guy – Super Mario Sunshine
- Crimewave Clyde – The Adventures of Super Mario Bros. 3
- Croco – Super Mario RPG: Legend of the Seven Stars
- Cudge – Super Paper Mario
- Cybele – Mario and the Incredible Rescue
- Cyndi Lauper – The Super Mario Bros. Super Show!
- Cyrrus – Super Paper Mario
- Candy Kong – Donkey Kong Country
- Chunky Kong – Donkey Kong 64
- Clapper – Donkey Kong Country 2: Diddy's Kong Quest
- Conker the Squirrel – Diddy Kong Racing
- Cranky Kong – Donkey Kong Country
D
- Daniella – Super Mario Bros. (film)
- Darkly – Paper Mario: The Thousand-Year Door
- Dashell – Super Paper Mario
- Dazzle – Paper Mario: The Thousand-Year Door
- "Deep Cuts" Toad – Paper Mario: Color Splash
- Diddy Kong – Donkey Kong Country
- Dixie Kong – Donkey Kong Country 2: Diddy's Kong Quest
- Dolphin – Super Mario World
- Don Pianta – Paper Mario: The Thousand-Year Door
- Don the Sparrow – WarioWare, Inc.: Mega Microgame$!
- Donkey Kong – Donkey Kong
- Donkey Kong Jr. – Donkey Kong Junior
- Donny – Nintendo Adventure Books
- Dorrie – Super Mario 64
- Dottie – Super Paper Mario
- Dr. Light – Super Mario: Die Verwandlung
- Dr. Mario – Dr. Mario
- Dr. Nerdnick – The Super Mario Bros. Super Show!
- Dr. Sheldon – The Super Mario Bros. Super Show!
- Dr. T. Garden – The Super Mario Bros. Super Show!
- Dr. Toad – Mario & Luigi: Superstar Saga
- Dr. Toadley – Mario & Luigi: Bowser's Inside Story
- Dr. Toadley's intern – Mario & Luigi: Bowser's Inside Story
- Dr. Toby – The Super Mario Bros. Super Show!
- Dragon – Yoshi's Story
- Draggadon – Captain Toad: Treasure Tracker
- Dryite – Paper Mario
- Durmite – Mario & Luigi: Bowser's Inside Story
- Dyllis – Super Paper Mario
- Diddy Kong – Donkey Kong Country
- Dixie Kong – Donkey Kong Country 2: Diddy's Kong Quest
- Donkey Kong – Donkey Kong
- Donkey Kong Jr. – Donkey Kong Jr.
- Drumstick – Diddy Kong Racing
E
- Einstein – The Super Mario Bros. Super Show!
- Eldstar – Paper Mario
- Elvin Gadd (past) – Mario & Luigi: Partners in Time
- Elvin Parsley – The Super Mario Bros. Super Show!
- Elvis Presley – The Super Mario Bros. Super Show!
- Ember – Paper Mario
- Emoglobins – Mario & Luigi: Bowser's Inside Story
- Evoglobins – Mario & Luigi: Bowser's Inside Story
- Emperor Ed – The Adventures of Super Mario Bros. 3
- Ernie Hudson – The Super Mario Bros. Super Show!
- Enguarde – Donkey Kong Country
- Ellie the Elephant – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Expresso – Donkey Kong Country
F
- F.L.U.D.D. – Super Mario Sunshine
- Fahr Outpost mayor – Paper Mario: The Thousand-Year Door
- Fire God – Mario & Luigi: Superstar Saga
- Thunder God – Mario & Luigi: Superstar Saga
- Fire God (The Super Mario Bros. Super Show!) – The Super Mario Bros. Super Show!
- Fire Mini Mario – Mario vs. Donkey Kong 2: March of the Minis
- Five Fun Guys – Paper Mario: Color Splash
- Flab Boys – The Super Mario Bros. Super Show!
- Flavio – Paper Mario: The Thousand-Year Door
- Fleep – Super Paper Mario
- Flint Cragley – Super Paper Mario
- Flip-Flop Folk – Super Paper Mario
- Floater – Wario Land: Super Mario Land 3
- Fluffin' Puffin – Yoshi's Woolly World
- Flurl – Donkey Kong Jungle Beat
- Flurrie – Paper Mario: The Thousand-Year Door
- Flutter – Tetris Attack
- Fluzzard – Super Mario Galaxy 2
- Foreman – Paper Mario: Color Splash
- Francesca Pianta – Paper Mario: The Thousand-Year Door
- Frankie – Paper Mario: The Thousand-Year Door
- Friendly Floyd – Super Mario Adventures
- Frog – Super Mario RPG: Legend of the Seven Stars
- Frogfucius – Super Mario RPG: Legend of the Seven Stars
- Froggy – Tetris Attack
- Funky Kong – Donkey Kong Country
G
- Gabbro – Super Paper Mario
- Gardener – Super Mario RPG: Legend of the Seven Stars
- Gargantua Blargg – Tetris Attack
- Garro – Super Mario RPG: Legend of the Seven Stars
- Gary – Super Paper Mario
- Garson – Super Paper Mario
- Gearmo – Super Mario Galaxy
- Genie – Wario Land: Super Mario Land 3
- Genie of the Lamp – Mario Party 4
- General White – Paper Mario: The Thousand-Year Door
- Geno – Super Mario RPG: Legend of the Seven Stars
- George Washingtoad – The Super Mario Bros. Super Show!
- Ghost (Super Mario Galaxy 2) – Super Mario Galaxy 2
- Ghost Rider – Yoshi's Story
- Ghost Toads – Paper Mario: Color Splash
- Gnaw – Super Paper Mario
- Gnip – Super Paper Mario
- Gold Gearmo – Super Mario Galaxy 2
- Gold Mini Mario – Mario vs. Donkey Kong 2: March of the Minis
- Goldbob – Paper Mario: The Thousand-Year Door
- Goodstyle – Wario: Master of Disguise
- Gooma – Paper Mario
- Goomama – Paper Mario
- Goombario – Paper Mario
- Goombella – Paper Mario: The Thousand-Year Door
- Goompa – Paper Mario
- Goompapa – Paper Mario
- Goomther – Paper Mario: The Thousand-Year Door
- Goose – The Super Mario Bros. Super Show!
- Gourmet Guy – Paper Mario
- Grambi – Super Paper Mario
- Gramma Green – Mario & Luigi: Partners in Time
- Gramma Toadstool – The Super Mario Bros. Super Show!
- Gramma Red – Mario & Luigi: Partners in Time
- Gramps – The Super Mario Bros. Super Show!
- Grandma – Super Mario RPG: Legend of the Seven Stars
- Great Sunflower – Super Mario Sunshine
- Green Yoshi – Super Mario World
- Grifty – Paper Mario: The Thousand-Year Door
- Gull – Wario Land II
- Glimmer the Angler Fish – Donkey Kong Country 2: Diddy's Kong Quest
H
- Hammer Bro Captain – Super Paper Mario
- Hammer Bros. – Mario & Luigi: Partners in Time
- Hammerhead Bros. – Mario & Luigi: Superstar Saga
- Harhall – Mario & Luigi: Superstar Saga
- Harry (The Super Mario Bros. Super Show!) – The Super Mario Bros. Super Show!
- Harry Blackstone Jr. – The Super Mario Bros. Super Show!
- Harry T. – Paper Mario
- Haru-ōji – Super Mario Bros.: Peach-hime Kyushutsu Dai Sakusen!
- Hayzee – Paper Mario: The Thousand-Year Door
- Headless Snowman – Super Mario 64
- Heavy Zed – Super Mario Land 2: 6 Golden Coins
- Helibird – Donkey Kong Jungle Beat
- Hercufleas – The Super Mario Bros. Super Show!
- Herlock Solmes – The Super Mario Bros. Super Show!
- Herringway – Paper Mario
- Hinopio – Super Mario RPG: Legend of the Seven Stars
- Hint Toad – Super Mario Galaxy
- Hippo – Super Mario Land 2: 6 Golden Coins
- Hooded Robin – The Super Mario Bros. Super Show!
- Hoot – Super Mario 64
- Hoofer – Donkey Kong Jungle Beat
- Hornfels – Super Paper Mario
- Howzit – Super Paper Mario
- Huffin Puffin – Super Mario World 2: Yoshi's Island
- Hungry Luma – Super Mario Galaxy
I
J
- Jabble – Paper Mario: The Thousand-Year Door
- Jagger – Super Mario RPG: Legend of the Seven Stars
- Jasperoid – Super Paper Mario
- Jellyfish Sisters – Mario & Luigi: Superstar Saga
- Jerry – Paper Mario: The Thousand-Year Door
- Jibberjay – Super Mario Galaxy 2
- Jim Lange – The Super Mario Bros. Super Show!
- Jinx – Super Mario RPG: Legend of the Seven Stars
- Jolene – Paper Mario: The Thousand-Year Door
- Joliet – The Super Mario Bros. Super Show!
- Jonathan Jones – Super Mario RPG: Legend of the Seven Stars
- Jr. Klap Trap – Donkey Kong Country (television series)
- Jumbo Ray – New Super Mario Bros. Wii
- Jumper – Donkey Kong (Game Boy)
- Junior (II) – Donkey Kong Jr. Math
- Junior – The Adventures of Super Mario Bros. 3
- Juppi – Super Paper Mario
K
- Kalmar – Paper Mario
- Kangaroo – Yoshi's Island DS
- Kersti – Paper Mario: Sticker Star
- Keyzer – Wario Land 4
- King Fret – Yoshi's Safari
- King James – The Super Mario Bros. Super Show!
- King Neptune – The Super Mario Bros. Super Show!
- King Nimbus – Super Mario RPG: Legend of the Seven Stars
- King Windbag – The Adventures of Super Mario Bros. 3
- Kings – Super Mario Bros. 3
- Klevar – Paper Mario
- Know-it-All Toad – Paper Mario: Color Splash
- Kolorado – Paper Mario
- Koopa – Mario Party DS
- Koopa Krag – Mario Party DS
- Koopa Master – Mario Party 7
- Kooper – Paper Mario
- Koopley – Paper Mario: The Thousand-Year Door
- Koops – Paper Mario: The Thousand-Year Door
- KP Pete – Paper Mario: The Thousand-Year Door
- Kroop – Paper Mario: The Thousand-Year Door
- Kuzzle – Mario & Luigi: Bowser's Inside Story
- Kylie Koopa – Mario & Luigi: Partners in Time
- K. Lumsy – Donkey Kong 64
- Kiddy Kong – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Klubba – Donkey Kong Country 2: Diddy's Kong Quest
- Klump – Donkey Kong Country (television series)
- Krunch – Diddy Kong Racing
L
- Lady Bow – Paper Mario
- Lady Lima – Mario & Luigi: Superstar Saga
- Lakilester – Paper Mario
- Lakilulu – Paper Mario
- Lakitu – Super Mario Bros.
- Lakitu Bros. – Super Mario 64
- Legendary Captain – Paper Mario: Color Splash
- Liftoglobins – Mario & Luigi: Bowser's Inside Story
- Light Blue Yoshi – Super Mario World 2: Yoshi's Island
- Lightfish – Donkey Kong 64
- Lighthouse Keeper – Paper Mario: Color Splash
- Lily – Paper Mario
- Little Mouser – Paper Mario
- Lochlady – Super Mario Odyssey
- Lubba – Super Mario Galaxy 2
- Luigi – Mario Bros.
- Luma – Super Mario Galaxy
- Lumpy – Paper Mario: The Thousand-Year Door
- Lunge Fish – Tetris Attack
- Luvbi – Super Paper Mario
- Lanky Kong – Donkey Kong 64
- Llama – Donkey Kong 64
M
- Ma'Mole and Pa'Mole – Super Mario RPG: Legend of the Seven Stars
- Madam Merlar – Paper Mario
- Madame Clairvoya – Luigi's Mansion
- Madzilla – The Adventures of Super Mario Bros. 3
- Madzilla's Mom – The Adventures of Super Mario Bros. 3
- Mahgo – Sag niemals Holerö!
- Mailtoad – Super Mario Galaxy
- Mallow – Super Mario RPG: Legend of the Seven Stars
- Mama Fireplant – Super Mario World (television series)
- Mamar – Paper Mario
- Mario – Donkey Kong
- Mark Twang – The Super Mario Bros. Super Show!
- Master Crash – Paper Mario: The Thousand-Year Door
- Master Poet – Paper Mario
- Mayor Dour – Paper Mario: The Thousand-Year Door
- Mayor Penguin – Paper Mario
- Mega Man – Super Mario: Die Bescherung
- Merfle – Wario Land: Shake It!
- Merle – Paper Mario
- Merlee – Paper Mario
- Merlon – Paper Mario
- Merlow – Paper Mario
- Merlumina – Super Paper Mario
- Merluvlee – Paper Mario
- Mervin the Magician – The Super Mario Bros. Super Show!
- Metal Mario – Super Mario 64
- Micro-Dolphin – Unjust Desserts
- Mii – WarioWare: Smooth Moves
- Mimi – Super Paper Mario
- Minh T. – Paper Mario
- Mini Mario – Mario vs. Donkey Kong
- Mini-Yoshi – Paper Mario: The Thousand-Year Door
- Minister of Massage – Super Mario Adventures
- MIPS – Super Mario 64
- Misaki – The Super Mario Bros. Super Show!
- Miss Warp – Yoshi's Story
- Misstar – Paper Mario
- Mole – Super Mario RPG: Legend of the Seven Stars
- Mona's Elephant – WarioWare, Inc.: Mega Microgame$!
- Mona's Monkey – WarioWare, Inc.: Mega Microgame$!
- Mona's Pig – WarioWare, Inc.: Mega Microgame$!
- Monkikki – Donkey Kong (Game Boy)
- Monstermama – Super Mario RPG: Legend of the Seven Stars
- Monty Bros. – Mario & Luigi: Bowser's Inside Story
- Mother Penguin – Super Mario 64
- Monzo – Super Paper Mario
- Moustafa – Paper Mario
- Mouth of the River – The Super Mario Bros. Super Show!
- Mr. Thwomp – Mario & Luigi: Partners in Time
- Ms. Mowz – Paper Mario: The Thousand-Year Door
- Muddy Buddy – Super Mario World 2: Yoshi's Island
- Murphy – The Super Mario Bros. Super Show!
- Mushroom Genie – Mario Party 2
- Mushroom Jeanie – Mario Party 3
- Mushroom King – Nintendo Comics System
- The Mushroom Marauder and Jake "The Crusher" Fungi – The Adventures of Super Mario Bros. 3
- Mushroom Pilot – The Super Mario Bros. Super Show!
- Mushroom Retainer – Super Mario Bros.
- Mushroom Shop Clerk – Mario Party
- Muskular – Paper Mario
- Mustard Café Chef – Paper Mario: Color Splash
- Mermaid – Donkey Kong 64
N
- Nastasia – Super Paper Mario
- Neuron – Yoshi's Story
- New Donker – Super Mario Odyssey
- Nimbus – Super Mario RPG: Legend of the Seven Stars
- Ninji – Super Mario Bros. 2
- Nolrem – Super Paper Mario
- Noki Elder – Super Mario Sunshine
- Noki Elder's grandson – Super Mario Sunshine
- Noki – Super Mario Sunshine
- Nomadimouse – Paper Mario
- Notso – Super Paper Mario
- Nutsoglobin – Mario & Luigi: Bowser's Inside Story
O
- O'Chunks – Super Paper Mario
- Oaklie – Paper Mario
- Obi-Wan Toadi – The Super Mario Bros. Super Show!
- Ojīsan and Obāsan – Super Mario Momotarō
- Old Man Watchitt – Super Paper Mario
- Oogtar – Super Mario World (television series)
- Orange Yoshi – Super Mario World 2: Yoshi's Island
- Ōsama – BS Super Mario USA
- Owl – Wario Land II
- Orco – Donkey Kong Jungle Beat
P
- Pa-Patch – Paper Mario: The Thousand-Year Door
- Para-Beetle – Super Mario Momotarō
- Parakarry – Paper Mario
- Partners – Super Mario RPG: Legend of the Seven Stars
- Patches – The Super Mario Bros. Super Show!
- Pauline – Donkey Kong
- Pea – Mario & Luigi: Superstar Saga
- Penguin – Super Mario 64
- Pennington – Paper Mario: The Thousand-Year Door
- Perry – Super Princess Peach
- Petuni – Paper Mario: The Thousand-Year Door
- Petunia – Paper Mario
- Phantom Hand – New Super Mario Bros.
- Pianta – Super Mario Sunshine
- Piccolo – Super Paper Mario
- Pikmin – Super Smash Bros. Brawl
- Pink Yoshi – Super Mario World 2: Yoshi's Island
- Pinna Park director – Super Mario Sunshine
- Piper – Mario & Luigi: Superstar Saga
- Piper – Paper Mario: Color Splash
- Pixls – Super Paper Mario
- Podley – Paper Mario: The Thousand-Year Door
- Polari – Super Mario Galaxy
- Poochy – Super Mario World 2: Yoshi's Island
- Posie – Paper Mario
- Power Bee – Yoshi's Story
- Prince Hugo – The Adventures of Super Mario Bros. 3
- Prince Peasley – Mario & Luigi: Superstar Saga
- Prince Pine – Yoshi's Safari
- Princess – Paper Mario: Color Splash
- Princess Daisy – Super Mario Land
- Princess Daisy (film character) – Super Mario Bros. (film)
- Princess Eclair – Paper Mario: The Thousand-Year Door
- Princess Lipid – Mario & Luigi: Bowser's Inside Story
- Princess Peach – Super Mario Bros.
- Princess Shokora – Wario Land 4
- Private Goomp – Mario & Luigi: Bowser's Inside Story
- Private Koopa – Super Paper Mario
- Professor Elvin Gadd – Luigi's Mansion
- Young E. Gadd – Mario & Luigi: Partners in Time
- Professor Frankly – Paper Mario: The Thousand-Year Door
- Professor Fungi – Mario Party 2
- Pronto – The Super Mario Bros. Super Show!
- Psycho Kamek – Mario & Luigi: Superstar Saga
- Pungent – Paper Mario: The Thousand-Year Door
- Puni Elder – Paper Mario: The Thousand-Year Door
- Puni – Paper Mario: The Thousand-Year Door
- Punio – Paper Mario: The Thousand-Year Door
- Puniper – Paper Mario: The Thousand-Year Door
- Purple Yoshi – Super Mario World 2: Yoshi's Island
- Parry – Donkey Kong Country 3: Dixie Kong's Double Trouble!
- Pipsy – Diddy Kong Racing
Q
R
- Rabbit – Super Mario 64
- Raphael the Raven – Super Mario World 2: Yoshi's Island
- Raven – Super Mario World 2: Yoshi's Island
- Ray – Super Mario Galaxy
- Rebbi – Super Paper Mario
- Red Yoshi – Super Mario World
- Rescue Squad V – Paper Mario: Color Splash
- Rip Cheato – Paper Mario
- Rock Paper Wizard – Paper Mario: Color Splash
- Romano – The Super Mario Bros. Super Show!
- Rosalina – Super Mario Galaxy
- Rose Town innkeeper – Super Mario RPG: Legend of the Seven Stars
- Roving Racers – Super Mario Odyssey
- Royal Bus driver – Super Mario RPG: Legend of the Seven Stars
- Royal Parrot – The Adventures of Super Mario Bros. 3
- Russ T. – Paper Mario
- Rambi – Donkey Kong Country
- Rattly – Donkey Kong Country 2: Diddy's Kong Quest
S
- Saffron – Super Paper Mario
- Salvador Drainado – The Super Mario Bros. Super Show!
- Sam Shalam – The Super Mario Bros. Super Show!
- Santa Claus – The Super Mario Bros. Super Show!
- Screamy – Paper Mario: The Thousand-Year Door
- Secret Agent N – The Super Mario Bros. Super Show!
- Sergeant Guy – Mario & Luigi: Bowser's Inside Story
- Sergeant Flutter – Super Mario RPG: Legend of the Seven Stars
- Shabba-Doo – The Super Mario Bros. Super Show!
- Shadow the Dog – WarioWare, Inc.: Mega Microgame$!
- Shady Toad – Paper Mario: Sticker Star
- Shiverian – Super Mario Odyssey
- Shuriken the Falcon - WarioWare: Twisted!
- Silver Gearmo – Super Mario Galaxy 2
- Sir Swoop – Paper Mario: The Thousand-Year Door
- Skolar – Paper Mario
- Slammer – The Super Mario Bros. Super Show!
- Slim – Super Paper Mario
- Sling-a-Thing Toad – Paper Mario: Sticker Star
- Snake – Yoshi's Story
- Spike – Super Mario Momotarō
- Spike – Super Mario Bros. (film)
- Spine Coaster – New Super Mario Bros. Wii
- Sprite – Wario's Woods
- Spriteling – Wario World
- Squirps – Super Paper Mario
- Stanley – Greenhouse
- Star – Paper Mario
- Star Bunny – Super Mario Galaxy
- Star children – Yoshi's Island DS
- Star Gate – Mario & Luigi: Partners in Time
- Star Kid – Paper Mario
- Star Sages – Mario & Luigi: Bowser's Inside Story
- Star Spirits – Paper Mario
- Starfy – Mario & Luigi: Superstar Saga
- Starlow – Mario & Luigi: Bowser's Inside Story
- Starshade Bros. – Mario & Luigi: Superstar Saga
- Steam Gardener – Super Mario Odyssey
- Stool Pigeon – The Super Mario Bros. Super Show!
- Stork – Super Mario World 2: Yoshi's Island
- Stuffwell – Mario & Luigi: Partners in Time
- Subcon – Super Mario Bros. 2
- Submarine captain – The Adventures of Super Mario Bros. 3
- Sultan – The Adventures of Super Mario Bros. 3
- Sun – Paper Mario
- Sunflower Kid – Super Mario Sunshine
- Sunglasses vendor – Super Mario Sunshine
- Sushie – Paper Mario
- Scoff – Donkey Kong 64
- Shy Guy – Mario vs. Donkey Kong
- Snapjaw – Donkey Kong Jr.
- Snide – Donkey Kong 64
- Squawks – Donkey Kong Country
- Squid – Donkey Kong Jungle Beat
- Squitter – Donkey Kong Country 2: Diddy's Kong Quest
- Swanky Kong – Donkey Kong Country 2: Diddy's Kong Quest
- Super Kong – Donkey Kong Country Returns
T
- Tadpole – Super Mario RPG: Legend of the Seven Stars
- Tangerino Grill Chef – Paper Mario: Color Splash
- Tawny Tyler – The Super Mario Bros. Super Show!
- Tayce T. – Paper Mario
- TEC-XX – Paper Mario: The Thousand-Year Door
- Tenshi – WarioWare, Inc.: Mega Microgame$!
- The Creepy Steeple Boo – Paper Mario: The Thousand-Year Door
- Thoreau – Super Paper Mario
- Three Musty Fears – Super Mario RPG: Legend of the Seven Stars
- Thudley – Super Paper Mario
- Tippi – Super Paper Mario
- Tiptron – Super Paper Mario
- Toad – Super Mario Bros.
- Toad (species) – Super Mario Bros.
- Toadbert – Mario & Luigi: Partners in Time
- Toadette – Mario Kart: Double Dash!!
- Toadiko – Mario & Luigi: Partners in Time
- Toadmaster General – Paper Mario: Color Splash
- Toadsworth – Super Mario Sunshine
- Toadsworth the Younger – Mario & Luigi: Partners in Time
- Todojewski – Sag niemals Holerö!
- Toad Brigade – Super Mario Galaxy
- Toad Captain – Paper Mario: Color Splash
- Toad Conductor – Paper Mario: Color Splash
- Toad in the Desert – Paper Mario
- Toad Minister – Paper Mario
- Toad Professor – Paper Mario: Color Splash
- Torque – Paper Mario: The Thousand-Year Door
- Tostarenan – Super Mario Odyssey
- Totemglobin – Mario & Luigi: Bowser's Inside Story
- Traveling Toad – Paper Mario: Sticker Star
- Triplets – Super Mario RPG: Legend of the Seven Stars
- Tumble – Mario Party 3
- Turtle – Wario Land: Super Mario Land 3
- Twila – Mario Party 6
- Twilighter – Paper Mario: The Thousand-Year Door
- Twink – Paper Mario
- T.T. – Diddy Kong Racing
- Taj – Diddy Kong Racing
- Timber – Diddy Kong Racing
- Tiny Kong – Donkey Kong 64
- Tiptup – Diddy Kong Racing
- Troff – Donkey Kong 64
U
V
W
- Waldo the Wizard – The Super Mario Bros. Super Show!
- Wanda – Mario & Wario
- Wario – Super Mario Land 2: 6 Golden Coins
- Watt – Paper Mario
- Whacka – Paper Mario
- Whale – Paper Mario
- Whispy Woods – Super Mario: Mario im Wunderland
- White Shy Guy – Yoshi's Story
- White Yoshi – Yoshi's Story
- Whittle – Super Mario Galaxy 2
- Wiggler – Paper Mario: Sticker Star
- Wiggler Segment – Paper Mario: Sticker Star
- Wisdurm – Mario & Luigi: Bowser's Inside Story
- Wise Wisterwood – Paper Mario
- Wizard King of the West – The Adventures of Super Mario Bros. 3
- Wonky – Paper Mario: The Thousand-Year Door
- Woody – Mario Party 2
- Wooster – Nintendo Comics System
- Whale – Donkey Kong Country Returns
- Winky – Donkey Kong Country
- Wringer – Paper Mario: Color Splash
- Wrinkly Kong – Donkey Kong Country 2: Diddy's Kong Quest