Many of these Sammer Guys are a pun on something Nintendo-related.
Chapter 6-1 (Rounds 1-25)
Jade Blooper
The guardian of the first gate. His name is a reference to Bloopers, though it may also be a reference to the Jade Raven from Paper Mario. He is a Green Sammer Guy with a mustache.
Jade Blooper constantly talks about honor and shame, and he smells strangely fishy.
Hills With Eyes
The guardian of the second gate. His name is a reference to the various hills and other background objects that have a set of eyes. He is a Green Sammer Guy. He claims to always be watching the player. Even after his defeat, he will continue to watch the player. He has 20 HP and an attack power of 3.
He once lost a staring contest to King Sammer and hasn't recovered since.
Puffing Fist
The guardian of the third gate. His name may have some relation to Huff N. Puff, a cloud with fists. It is also possible that his name is a pun on "puffer fish".
Puffing Fist has "studied in the ancient Pwaaang traditions". When he loses, he must go train at the cloud temple.
Squatting Birdo
The guardian of the fourth gate. His name is a reference to Birdos. He notes that Birdos are a kind of flightless birds (even though some flew in The Super Mario Bros. Super Show!). According to Tippi/Tiptron, he's the true master of the "Squatting Birdo Stance."
Leeping Cheep
The guardian of the fifth gate. His name is a reference to Cheep-Cheeps. He spends his days awkwardly attempting to leap out of the water. After being defeated, he is upset that his Cheep-Cheeps couldn't have helped him in the fight.
Master Wiggler
The guardian of the sixth gate. His name is a reference to Wigglers.
He says "haikus" and "wiggle" frequently. According to Tippi/Tiptron, these abstract haiku poetry has quite a following in literary circles. Also the "Wiggle, wiggle, wiggle" quote is a reference to Wigglers, as is Master Wiggler's name.
Shoe of Kuribo
The guardian of the seventh gate. His name is a reference to Kuribo's Shoe. The use of the word "Kuribo" is surprising, as Nintendo had changed the name of the shoe to "Goomba's Shoe". He has a habit of saying "STOMPOW!" often, and goes through several pairs of shoes a month.
Guy Who Fry
The guardian of the eighth gate. His name is a pun on Fry Guy. He also has a tendency to exclaim, "YOU FRY NOW!" He is the master of the Dripping Magma Punch, and is currently on a special Sammer Guy diet, consisting entirely of deep-fried foods.
Screaming Mantis
The guardian of the ninth gate. His name is a spoof on an unrelated Mario animal, the praying Mantis.
As his name implies, he shrieks and screams quite often, so much so that he must take lozenges when his throat gets hoarse. He is often on the injured reserve, due to the hoarseness of his throat. There's a boss named Screaming Mantis in Metal Gear Solid 4: Guns of the Patriots.
Koopa in Winter
A Big Sammer Guy who is the guardian of the tenth gate, named after Koopas. For unknown reasons, he cries every time he looks at a sunset.
Footsteps of Coins
The guardian of the eleventh gate. He asks the duelists if they ever wondered who put the coins all over the place. He claims that it is him, and that it isn't right for anyone to be taking his coins all the time. Beating him forces him to take a loan from his mother. He also has a lesser known brother called Footsteps of Meat.
Urchin Lung
The guardian of the twelfth gate. His name may be a reference to Urchins. He was once King Sammer's personal trainer, until an unfortunate sit-up incident.
Crow Who Eats
The guardian of the thirteenth gate. Though it is unlikely, his name may have some relation to either Ravens or the crows in Luigi's Mansion and Paper Mario: The Thousand-Year Door. Due to his many taunts before battle, it is very awkward when he loses.
Swollen Tongue
The guardian of the fourteenth gate. He is a Green Sammer Guy with a mustache and a spike. He makes mistakes with speaking because of his bad tongue (for example when he wants to say "Bye now!" he says "Buy now!). This may be a reference to Chef Shimi.
Slipping Grip
The guardian of the fifteenth gate. His name comes from the fact that he is the second best student at Sweaty Palms Martial Arts Academy. The two Sammer Guys after him are his brothers, and like him, are blue with a mustache.
Clammy Hand
The guardian of the sixteenth gate and brother of Slipping Grip. Clammy Hand is also in Sweaty Palms Martial Arts Academy. Tippi claims that he must have pretty bad first impressions.
Forbidden Slap
The guardian of the seventeenth gate. He is a blue Sammer guy with a mustache who got expelled from Sweaty Palms Martial Arts Academy. He used to be the top student, but got expelled for using forbidden slapping techniques. The two Sammer Guys before him are his bros. In the end, they convince him to rejoin the academy.
Hairy Arantula
The guardian of the eighteenth gate. His name is a reference to the Arantulas. He has a habit of hiding in parks and leaping out at people.
Another Castle
The guardian of the nineteenth gate. His name is a reference to Toad's famous saying, "Thank you, Mario. But our Princess is in another castle!" Tippi states that he takes his name too seriously and once dug a moat around himself.
Rolling Thwomp
The guardian of the twentieth gate. This might refer to Spiny Tromps. He is a big Sammer Guy that likes to roll all over the place. When Mario and co first visit, he is the last Sammer Guy fought before Count Bleck appears. Rolling Thwomp loves kittens, especially white and fluffy ones.
Thrashing Prawn
The guardian of the twenty-first gate. He has a habit of putting butter on everything.
Thousand-Year Roar
The guardian of the twenty-second gate. His name is a reference to The Thousand-Year Door from Paper Mario: The Thousand-Year Door. He spends his weekend mornings sipping coffee and quietly reading the paper.
Unshy Guy
The guardian of the twenty-third gate. His name is a pun on Shy Guys. He claims that public speaking offers no problems for him. When Mario defeats him, he says his confidence is shattered. Unshy Guy makes piles of coins by making appearances during the Sammer lecture circuit.
Useless Badge
The guardian of the twenty fourth gate. His name is a reference to badges that were only for novelty, such as Attack FX Y. He knows that he stands no chance, and announces it before and after the fight. He reasons that Mario got so strong from eating mushrooms, which he hates.
Sunshine Flood
The guardian of the twenty-fifth and final gate of Chapter 6-1. His name is a pun on the game Super Mario Sunshine and FLUDD. Also, after beating all the Shadow Mario missions, a flood occurs. He is a white Sammer Guy.
Chapter 6-2 (Rounds 26-50)
Grand Master Kickface
Grand Master Kickface does not seem to reference anything in particular. Once defeated, he sees a turning point in his life as this was the first time his face received foot for a change.
Soaring Cape
This is a reference to Mario's Cape. Soaring Cape claims to have a cape enabling him to fly, but apparently somebody got rid of it. He tended to always wear it in public.
Yowling Yux
The guardian of twenty-eighth the gate. His name is a pun on Yux and the fact that he always yowls. In fact, when the player fights him and wins, he says that that was the first time he had to fight as others ran away from his pointless screaming, thinking he was deranged. He's the lead singer in a Sammer band.
Mystical Whistle
This is a reference to the Warp Whistle in Super Mario Bros. 3. He says that only cheaters who enter codes can change his tune.
Laughing X-Naut
Laughing X-Naut is a Sammer Guy who loves comedies. An X-Naut is an enemy from Paper Mario: The Thousand-Year Door. When Mario and co. first went to Sammer's Kingdom, he was the very last Sammer Guy to appear before The Void destroyed everything.
Dances on Turtles
This name refers to the famous "Koopa Stomping". He's not very tech savvy, and any machine with buttons sends him into a panic.
Fathomless Chasm of Falling
His name is a reference to the numerous bottomless pits in various Mario games. His hobbies include knitting and scrapbooking.
Thirsting Bones
His name is a pun on Dry Bones, an undead Koopa. He plays softball on weekends.
Molten Panther
Unlike the other Sammer Guys, Molten Panther may be a reference to the Fire Lion from Kirby's Dreamland 2. Due to his fiery powers, Molten Panther is very popular at the annual Sammer Guy Barbecue.
Peeking Boo
His name is a pun on the species of Boos that only follow people when their back is turned. He reads the dictionary on weekends.
Action Commander
Action Commands are popular in Paper Mario games. After defeat, he says he will miss the crowd's cheers of "Stylish!", in reference to the word appearing when you pulled off a stylish move in Paper Mario: The Thousand-Year Door. He likes to relax on weekends and not leave his couch.
Bullet Ill
His name is a pun on Bullet Bill and his tattle information is a reference to the Mecha Bowser boss fight from Super Mario Sunshine. Though Bullet Ill fights Mario with a stomach cramp, the Sammer Guy loves rollercoasters.
Sliding Shell
Sliding Shell is a mustachioed blue Small Sammer Guy. His name is related to how Koopa Shells slide when Mario kicks them. However, he jumps more than he slides.
Software Pirate
His name is a pun on pirated music software. He is a red Sammer Guy who jumps.
Flailing Boom Boom
His is name is a reference to Boom Boom, the mini-boss found in every mid-world castle in Super Mario Bros. 3. Boom Booms' battle technique is simply jumping around the room and flailing their arms, hence the name. His great finger-painting skills earn him thousands of coins.
Sun of Displeasure
This Sammer Guy's name is a pun on The Angry Sun. It is hard for him to make friends, due to his "burning."
Furious Fang of Goomb
His name is most probably a reference to the teeth (or fangs) that most Goombas are shown to have. His favorite scent is lavender.
Zesty Recipe
His name could be a pun on a recipe from Zess T.. Zesty Recipe is known among the Sammer Guys for the warm, gooey brownies that he bakes every day for the Sammer Guy break hour.
Warping Pipe
His name is a reference to Warp Pipes. Warping Pipe tends to get annoyed due to many people jumping on his head, trying to access other worlds. His name is ironic, because he is the first encountered Sammer Guy who can flip ("warp") to 3-D.
Fruit in Belly
His name references to the Yoshis in Super Mario World that consistently eat fruit. He claims that Mario is the only fruit left uneaten. He has been banned from several Sammer Guy supermarkets for gulping fruit without paying.
Last Sheep
His name derives from the Sleepy Sheep item, where, after a crowd of sheep run, the player can see one last sheep running distanced from the crowd. His hobbies including playing a pretend guitar and singing with his reflection in a mirror.
Infinity Shlurp
His name comes from the Shlurp, an enemy from Super Paper Mario. He has an odd habit of going, "SHLURP SHLURP SHLURP!"
Spanner of Rock
His name comes from Rocky Wrench. A spanner is a type of wrench. By far, he is the best at the wrench throwing game at the carnival.
Star of Seven Shards
This could be a reference to Star Shards from the last two Paper Mario games, but more likely to the subtitle of Super Mario RPG, "Legend of the Seven Stars". He spends every moment of spare time polishing his armor so it shines and glitters.
Ice World
A big knight Sammer Guy. His name is a reference to the Ice World that appears in many Mario games. He has a milkshake dispenser built into his armor.
Chapter 6-3 (Rounds 51-75)
Weeping Pokey
He has Pokey in his name.
Hammer Uncle
His name is a pun on Hammer Bro..
Squatting Toad
His name is a pun on Toad.
Ageless Goomba
This green Sammer Guy's name is a reference to the fact that Goombas always come back, game after game.
The Negative One
The Negative One is a reference to the World -1 glitch in Super Mario Bros.. He is portrayed as a pessimist. His apartment is full of stuffed animals, some of which talk.
Bob the Silent Blade
His name may be a pun on Silent Bob from Jay and Silent Bob, a movie.
Piranha Root
His name is a pun on Piranha Plants' roots.
Over the Flagpole
His name comes from the flagpole at the end of every non-dungeon level in Super Mario Bros.. A famous glitch involved players jumping over the flagpole, which is referred to in Over the Flagpole's speech.
Cheep Chop
His name is a pun on Cheep-Cheep.
Raging Blargg
His name is a reference to Blarggs.
Sleeping Turnip
His name comes from the Vegetables in Super Mario Bros. 2 in which some appear sleeping.
Way of the Blooper
His name is a pun on Blooper.
Phanto Grin
His name comes from the evil grin of Phantos.
Invisible Brock
His name is a pun on the invisible ? blocks.
Chomp of Eternity
His name is a pun on Chain Chomp.
Monty Who Waits
His name is a pun on Monty Mole. It references the fact that Monty Moles only pop up from the ground to attack once the player comes near.
Mustard of Doom
This Sammer Guy's name is a reference to Fawful, who frequently mentioned Mustard Of Doom. If you beat him, he will mention losing his fury. This is also a reference to Fawful. One of his last words, "awful," may be a reference as well. Mustard of Doom is also mentiond in the Paper Mario: The Thousand-Year Door Player's Guide.
Peanut-Butter Pider
His name is a pun on Piders.
Wrath of Whaka
His name is a pun on Whackas, who are often bumped. His name refers to a Whacka who apparently is holding revenge.
Micro Boomba
His name is a pun on Micro Goomba. However, his name has an reference of Boomba, too. He is said to enjoy watching Flint Cragley's Cragtrotter.
Steel Clubba
His name is a reference to Clubba. However, Steel Clubba makes two references to the giant Clubba boss from Paper Mario, Tubba Blubba. The first is that he decides to consult his master atop a hill (Tubba Blubba's castle is atop a hill, and he is the lord of Clubbas), and he wishes to start his life anew (Tubba Blubba decides to stop eating ghosts and go into obscurity). It may be noted that Tubba Blubba was invincible for the majority of Chapter 3 in Paper Mario, possibly making "Steel" be a reference to his invincibility.
Staggering Dizzy Fuzzy
This Sammer Guy refers to the enemy Fuzzy. It also refers to their behavior in Yoshi's Island, in which they caused Yoshi to become dizzy. Staggering Dizzy Fuzzy's line "Has the prophecy come true? 'Touch Fuzzy, Get Dizzy'?" refers to the well-known level in which Fuzzys appeared in Yoshi's Island: Touch Fuzzy, Get Dizzy.
Upward Leaping Ninji
His name is a reference to Ninji, and their jumping pattern of attack in Super Mario Bros. 2 and Super Mario World.
Bronze Shroom
His name is a pun on golden mushrooms
Lakitu Storm
His name is a pun on Lakitu.
Chapter 6-4 (Rounds 76-100)
Wandering Spiny
His name is a reference to Spiny.
Ripper Van Fish
His name is a Portmanteau pun on Rip Van Fish and a reference to not Mario but literature, Hans Van Ripper.
Infinite Jump
His name is a pun on Jump, or in the last world of Super Mario Bros. , the player could keep jumping on the enemies on the stairway to get as many lives as they want.
Alternate Path
His name comes from Super Mario World's hidden paths in levels which, if taken, would open up a different area on the map. This was later replicated in New Super Mario Bros.
Dayzee the Merciless
His name is a reference to Crazee Dayzees.
Smiling Cloud
His name is a reference to Jugems, the clouds of Lakitus. He apparently believed that, since he was a smiling warrior, no one could fight him back. Thus he would tell them to stand there and take their defeat. When defeated, he claims that you lost a lot of honor from beating up a smiling warrior.
Bullet Bull
His name is a reference to the Bullet Bill. His pre-battle taunt, saying that brown is "the next generation", is actually a reference to how many next-gen games have monotone palettes. He also mentions that the bright colors in his world are childish. This is most likely a reference to the common argument that Nintendo is kiddy.
Block of Pow
His name is a pun on the POW Block.
Inferno Flower
His name is a reference to Fire Flowers. He refuses to eat vegetables of any kind.
Plugged Snifit
His name is a reference to Snifit. He talks as if he has a clogged nose. Once defeated by Mario, his illness is cured. He changed his name to Unplugged Snifit after that.
Bounding Star
His name is a pun on Starman.
Metal Cap
His name is a reference to the Metal Cap from Super Mario 64.
Belly of the Yoshi
His name is a reference to Yoshi (or possibly Yoob).
No Charging Chuck
His name is a play on Chargin' Chuck.
Climbing Vine
His name is a reference to the vines in various Mario games.
Quizmo Question That Has No Answer
His name is a pun on Chuck Quizmo, a character from the first Paper Mario.
Strolling Ptooie
His name is a portmanteau pun on Ptooie and Strollin' Stu.
Fuzzy on Face
This Sammer Guy's name is a pun on the way Fuzzys attacked you in the last two Paper Mario games.
Glitz Blade
His name comes from Glitz Pit in Paper Mario: The Thousand-Year Door.
Cloak of Tanooki
His name is a pun on Tanooki Suit.
Coin Harvester Without Remorse
His name is a reference to players of Mario games who go for as many coins as possible rather than focusing on getting through the levels, as well as the common tactic of "farming" for money in RPGs.
Pidget on Wind's Breath
His name is a reference to Pidgit.
Sensei Ruff Puff
His name is a reference to Ruff Puff.
Pit of Crying Shames
His name comes from the Pit of 100 Trials and that people make it so far and then die on the last levels.
End Boss
His name is fittingly a reference to the last boss in a game. When End Boss is defeated, he attempts to cue end credits. An incredibly powerful Sammer Guy, End Boss can breath fire, use a rolling attack, and attack with his club. He also has a spike on his head, making jump attacks useless (unless Carrie is used).