When turmoil erupts in the Marioverse, Mario, Luigi, and other heroes arrive to solve the world's problems. Here is a list of heroes and their allies who fight against the forces of darkness.
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A
B
- 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 2
- Barney Bubble - Super Mario World 2: Yoshi's Island
- Blablanadon - Mario & Luigi: Superstar Saga
- Blooey - Paper Mario: The Thousand-Year Door
- Bob-omb Buddy - Super Mario 64
- Bobbery - Paper Mario: The Thousand-Year Door
- Bombette - Paper Mario
- Bootler - Paper Mario
- Bow - Paper Mario
- Bub-ulb - Paper Mario
C
D
E
F
- FLUDD - Super Mario Sunshine
- Flavio - Paper Mario: The Thousand-Year Door
- Flurrie - Paper Mario: The Thousand-Year Door
- Francesca Pianta - Paper Mario: The Thousand-Year Door
- Frankie - Paper Mario: The Thousand-Year Door
- Frogfucious - Super Mario RPG: Legend of the Seven Stars
- Funky Kong - Donkey Kong Country
G
H
I
J
K
- Kalmar - Paper Mario
- Kiddy Kong - Donkey Kong Country 3: Dixie Kong's Double Trouble
- King Bowser - Super Mario Bros. (Bowser joins Mario in Super Mario RPG to defeat the evil Smithy)
- King Nimbus - Super Mario RPG: Legend of the Seven Stars
- King and Queen Nimbus - Super Mario RPG: Legend of the Seven Stars
- Klevar - Paper Mario
- Kolorado - Paper Mario
- Kooper - Paper Mario
- Koops - Paper Mario: The Thousand-Year Door
- Kylie Koopa - Mario & Luigi: Partners In Time
L
M
- Madam Merlar - Paper Mario
- Mallow - Super Mario RPG: Legend of the Seven Stars
- Mamar - Paper Mario
- Mario - Donkey Kong
- Master Shung - Super Luigi 2: The Crown of the Element Stars
- Merle - Paper Mario
- Merlee - Paper Mario
- Merlon - Paper Mario
- Merlow - Paper Mario
- Merluvlee - Paper Mario
- Metal Mario - Super Mario 64
- Minh T. - Paper Mario
- Misstar - Paper Mario
- Moustafa - Paper Mario
- Ms. Mowz - Paper Mario: The Thousand-Year Door
- Muddy Buddy - Super Mario World 2: Yoshi's Island
- Muskular - Paper Mario
N
O
P
- Parakarry - Paper Mario
- Pauline - Donkey Kong
- Pennington - Paper Mario: The Thousand-Year Door
- Perry - Super Princess Peach
- Petuni - Paper Mario: The Thousand-Year Door
- Petunia (Super Princess Daisy) - Super Princess Daisy
- Pianpia - Super Luigi 2: The Crown of the Element Stars
- Pinky Kong - Donkey Kong Country 4: Tiny Kong's Triple Trouble
- Poochy - Super Mario World 2: Yoshi's Island
- Prince Peasley - Mario & Luigi: Superstar Saga
- Prince Pine - Yoshi's Safari
- Princess Daisy - Super Mario Land
- Princess Éclair - Paper Mario: The Thousand-Year Door
- Princess Peach - Super Mario Bros.
- Professor Elvin Gadd - Luigi's Mansion
- Professor Frankly - Paper Mario: The Thousand-Year Door
- Puni Elder - Paper Mario: The Thousand-Year Door
- Punio - Paper Mario: The Thousand-Year Door
- Puniper - Paper Mario: The Thousand-Year Door
Q
R
S
- Screamy - Paper Mario: The Thousand-Year Door
- Sergeant Flutter - Super Mario RPG: Legend of the Seven Stars
- Skolar - Paper Mario
- Stanley the Bugman - Donkey Kong 3
- Star Spirits - Paper Mario
- Starshade Bros. - Mario & Luigi: Superstar Saga
- Sushie - Paper Mario
- Swanky Kong - Donkey Kong Country 2: Diddy's Kong Quest