Evil Cosmic Bacteria

Evil Cosmic Bacteria is an evil cosmic entity that escaped the Crystal Citadel after being freed by The Lich (character).

Appearance

Evil Cosmic Bacteria looks like a giant red bacteria creature with hair-like tentacles.

Gallery

v • d • e Other characters

Recurring	Abracadaniel • Abraham Lincoln • Ancient Psychic Tandem War Elephant • Ancient Sleeping Magi of Life Giving • Banana Guards • Banana Man • Betty Grof • Big Destiny • Billy • Bob & Ethel Rainicorn • Boy Bear • Bronwyn • Bryce • Bufo • Candy Corn Grandma • Candy Heart • Candy Kids • Carroll • Castle Staff • Charlie • Chet • Chicle/Crunchy • Chocoberry • Chocolate Bar Guy • Choose Goose • Cinnamon Bun • Clarence • CMOs • Coconteppi • Cosmic Owl • Cow • Cuber • Death • DMO • Donny • Dr. Ice Cream • Elise • Farmworld Finn/Ice Finn • Farmworld Jake/Farmworld Lich • Fear Feaster • Flambo • Flame Guards • Flame King • Flame Lord • Football • Forest Wizard • Frog Carrying Crown • Gibbon • Gingerbread Cookie • Gingerbread Muto • GOLB • Grape Popsicle Guy • Grass Finn/Fern/The Green Knight • Grassy Wizard • Grob Gob Glob Grod • Guardian Angel • Gumbald/Punchy • Gumball Guardians • Gumdrop Lass 1 • Gumdrop Lass 2 • Gunther • Hot Dog Knights • Hunson Abadeer • Huntress Wizard • Iceclops • Ice Cream Lady • Jake 2 • Jake Jr. • Jelly Bean People • Jermaine • Joshua • Kenneth • Kim Kil Whan • King of Ooo • King Worm • Kitten • Lemon Camel • Lemongrabs 1, 2, & 3 • The Lich/Sweet P • Life • Lolly/Manfried • Lollipop Girl • Lumpy Space King & Queen • Magic Man/Normal Man/King Man • Maja • Marc • Margaret • Marshmallow Kids • Martin Mertens • Me-Mow • Minerva Campbell • Moe • The Morrow • Mr. Cream Puff • Mr. Cupcake • Mr. Fox • Mr. Pig • Mrs. Cow • Naked Wizard • Neptr • Nurse Pound Cake • Ogre • Orgalorg/Gunter/Ice Thing • Party Bugs • Party God • Party Pat • Patience St. Pim • Peppermint Butler • Phil • Pineapple Guy • Prismo • Prize Ball Guardian • Pup Gang • Rattleballs • Ricardio • Root Beer Guy/Dirt Beer Guy • Schwabl • Science Cat • Shelby • Snail • Snow Golem • Spirits • Squirrel (The Duke) • Starchy • Sugar Cube • Susan Strong • T.V. • Tiffany Oiler • Tiny Manticore • Tom • Toronto • Tree Trunks • Uncle Chewy • Viola • Wafer Person • Warren Ampersand • Water Nymphs • Wyatt

Animated short	Fire Elemental • Ninjas • Old Man

Season 1	Amoeba • Bagel • Balloons • Baskets & Boots Owner • Battle Cubes • Bee • Bellamy Bug • Big Guy • Bird inside out • Bottled Ghoul • Brad • Brain Beast • Bucket Knight • Bugbear • Business Men • Cactus Creatures • Cherubs • Coal Man • Cobbler • Crossbow Guy • Cyclops • Crystal Guardians • David • Demon Cat • Dennis • Dimple Plant Monster • Dolphin • Doug • Duchess of Nuts • Duke of Nuts • Eberhardt • Eberhardt's wife • Evil Guy • Evil Ocean • Fairy • Fine Lady • Fire Count • Fire Newt • Frog • Gary the Mermaid Queen • George • Giant Bear • Giant Goldfish • Giant House Guy • Giant Turtle • Goblin King • Goblin Thieves • Hatchlings • Heart Beast • Horse Wearing Shower Cap • Ice Cube Creature • Ice-o-pede • Invisible People • Jelly Cube • Jeremy • Jerry • The Jiggler • Key-per • King of Thieves • Lake Knights • Larry (My Two Favorite People) • Laser Pointer Troll • Limousine Driver • Lisby the Cashew Butler • Lyre Player • Mama Jiggler • Mannish Man • Marauders • Marquis of Nuts • Meat Man • Melissa • Mike A. • Mike H. • Mimic Monster • Mini Queen • Mountain 2 • Mountain Man • Mr. Turtle • Mushroom Creatures • Nut Castle Guard • Nut Creatures • Oculus of Rehabilitation • Old Lady • Old Man Henchman • Old Man Prisoner • Old Soft Person • Old Wizards • Party Jellyfish • Peanut Baby • Penny • Peter • Pixies • Reaper • Rock • Rock Wall Thief • Shadow Horse • Shark • Sharon • Short Goblin • Sign Zombies • Skeleton Army • Skeleton Baby • Skeleton Butterflies • Skeleton Mom • Sleeping Student • Snow Monsters • Snowball • Snowman Priest • Spiky Mayor • Squid Bartender • Stanley • Stanley's family • Stonesy • Super Freak (Gorflax, Gork, Kim, Trudy, Wee Wee, & Zap) • Swamp Giant • Swan • Three Wise Men • Toad • Two Headed Ducks • Two Headed Thief • Townspeople • Video Game Frog • Video Game Girl • Wall of Flesh • Witch • Wizard Students • Wizard Thief

Season 2	Aquandrius • Bandito • Beaver • Boobafina • Booboo • Bouncy Bee • Boyfriend & Girlfriend Skeletons • Butterfly With Laser Gun • Celina • Colonel Candy Corn • Commander and Private • Crystalline Demon • Cubby • Dancing Bug • Dead Goblin • Dr. Dextrose • Dr. Donut • Gate Guardian • Georgy • Gelatin Man • Ghost Man • Gnome Knight • Gnome Ruler • Golem • Inuits • Grimby • Green Gumdrop Dude • Gummy • Hag • Halt • Hunny Bunny • JJ • Knights • Labyrinth Worm • Large Bear • Lester • Maria • Momma Bear • Monster • Mrs. Yoder • Mushroom Mayor • Mushroom Guy • Piglets • Pupil Worm • Red Faced Female Monster • Science Guys • Sheriff • Simon • Sir Slicer • Skeletal Guards • Sleepy Sam • Slicer's Horse • Snail Ladies (Slug Lady) • Snorlock • Soul Sucked Fuzzy Friend • Sugar Bears • Taddle • Talking Skull • Tart Toter • Teenage Bear • Tree Witch • Wendy • Whisper Dan • Xergiok • Zeldron Spirits

Season 3	Ash • Blastronaut • Bliblob • Boilbee • Booger • Brain Wiz • Burger Monster • Candy Corn Thug • Candy Tavern People (Candy Tavern Bartender, Cookie Guy, etc.) • Cherry Blossom Ghost • Clown Nurses • Crocodile with Party Hat • Cute King • Cyclo • Dimension Wizard • Door Lord • Dr. J • Dumb Rock • Electric Eel • Evil Monster • Fight King • Fire Wolf Pup • Flame Jester • Flame Minstrel • Forest Cyclops • Fruit Witches • Gentleman Wizard • Gladiator Ghosts • Grand Master Wizard • Gumdrop Dad • Gumdrop teenager • Ham Sandwich • Hamburger Monster • Hand Snow Golem • Hedgehog Creatures • Hot Dog Monster • Howard • Iron Owl • Jam Jam • Jaybird • Lady Wizard 1 • Lady Wizard 2 • Laser Wizard • Lava Man • Lemon Camel • Lollipop Thug • Lumpy Space Messenger • Mildwin • Muscular Ghosts • Pan • Paper Pete • Rainy • Rock Wizard • Science • Scorcher • Skunk • Slush Beast • Smudge • Spider • Spirit Waves • Stag • Talking Bush • That Guy in Xmas Sweater • The Other Guy in Xmas Sweater • Tiny Goblin • Tonya • Trap Bridge • Tree Stump With Sign • Two Headed Cutie • Ugly Monster • Weapon Head • Wildberry Guards • Wormo • Yellow Butterflies

Season 4	Baby Spider • Bear • Beautiful Lady • Bebe • Barb • Bug • Candy Baby • Candy Mother • Candy Nanny • Chocolate Chips • Demon Guard • Dream Warrior • Ed • Family • Fly • Farm animals • Fat Bee • Fire Actor • Flame King's brother • Flame Soldiers • Furnius • Goliad • Green Penguins • Half Monster Demon • Ice Penguin Monsters • Jake's Grandmother • Jalapeño Pepper • Jay T. Doggzone • Lorraine • Margles • Mirror Finns • Prince Huge • Ricky • Ronnie • Shark Sword • Stormo • Torcho • The Dead One • The Farm • The Train • Tree of Blight • Winged Lemongrab Horse • Woobeewoo • Woobeewoo Elder

Season 5	Agnes • Alarm Cat • Ann • Bartram • The Beast • Bella Noche • Bird Nest Worm • Blanket Dragon • Blargetha • Blue Gumdrop Guy • Blueberry Cops • Boney • Box Prince • Box Prince Impostor • Braco • Bubble • Buck Pudding • Butt Chest • Candy Boss • Cart Creature • Cart Guy • Canyon • Captain Banana Guard • Chandelier Bat • Cherry Cream Soda • Choose Bruce • Crab Demon • Crabbit Familiar • Cream Puff Gentleman • Danny • Destiny Gang (Unnamed Destiny Gang members) • Elder Plops • EMO • Farmworld Marceline • Farmworld Martin • Farmworld Minerva • Farmworld Simon Petrikov • Finn's Baby Brother • Flint • Flying Lettuce Brothers • Flying Troll • Funeral Guests • Gareth • Giant Ant Monster • Giant Goo Skull • Grass Bear Gunthalina • Head Worm • Hole Frog • Imaginary Jake • Island Lady • James • James Baxter • Jay & Bonnie • Johnnie • Jordan • Kartemon • Lemonhope • Little Buddy • Little Dude • Loafy • Mail Bird • Mama Trunks • Man In The Wall • Milk Ghost • Mother Gum • NX vcjZmQ9w • Ogdoad • The Owl • Paris • Pete Sassafras • Petey • Phlannel Boxingday • Pillow Child • The Porcupine • Princess Bubblegum Bot • Pterodactyl • Quilton • Randy • Randy (Apple Wedding) • Randy (flame person) • Rap Bear • Rasheeta • Reptilian Clone • Rock Giant • Roger • Ron James • Roselinen • Sand Worm • Samantha • Shoko • Shoko's tiger • Slider Guy • SMOs • Snake Runner • Sparkle • Sparkle's mother • Spider-snake hybrid • Squeez-E-Mart boss • Squirrel (Up a Tree) • Stranson Doughblow • Sue • Suitors • Suzy • Tentacle Monster • The Glitch • Trami • Tromo • Ursula • Vapor Swamp Monsters • Veiny Monster • Wizard Bill • Wizard Police • Wizard Prison Chef

Season 6	Balthus • Beau • Berdzerd • Billybee • Billybee's Gang Bees • Blue Nose • Breezy • Cadmus Legion • Caramel Sally • Chatsberry • Cheryl • Chinchizard • Chips and Ice Cream • Circus Insects • Citadel Guardians • Citadel Prisoners • Clock Face • Cow Farmer • Cube Person • Darren • Daughter of Peace Master • Duty Manager • Erin • Flambo's Brother • General Tarsal • Ghost Fly • Ghost Mushroom • Giant Basket Transporter • Giuseppe • Gnome Tenant • Goose • Goralina • Gummi Water Boy • Hairy Person • Huge King • Ice Imp • Kent • Lamp • Leaf Beard • Leaf Man • Lieutenant Gamergate • Life's Father • Lifeguard • Linda • M.A.R.G.L.E.S. • Magwood • Martin 2 • Matthew • Mayor • Monks • Morty Rogers • Mountain Guardian • Mr. B • Mr. F • Mr. Goji Berry • Mrs. Goji Berry • Muffin Giant • Nina • Old Green Person • Pat • Peace Master • Peace Master's Baby • Purple Comet • Rabid Possum • The Raccoon • Rat King • Ringmaster • Sally • Seven • Shadow Slender Demons • Shazbaz • Shelby’s Girlfriend • Slimy D • Son of Peace Master • Space Moth • The Sun • Talking Leaf • Thought Cannon Wand wizard • Tuber • Upper Middle Class Wildberry Kids • Urgence Evergreen • Void Caster

Season 7	ALLMO • AMO • Armadillo • Bobby • Bunny Girl • Cactus Guy • Carlos • Cloud Dance • The Empress • The Fool • Grassland Animals • Haydancy • The Hierophant • Honey Man • Living Pie • Me-Mow's Horse • The Moon • Mother Mushroom • Music Hole • Neddy • Old Banana Guards • Prismo's Boss • Ocean Council • Sandwich Paul • Spirit Dream Warrior • The Storm • Terry • Thunder Boar • Tommy • Two Bread Tom • Vampire King • Vampire Minions • Wilfrid

Season 8	Aadil • Albert • Alien Husband • Alva • Assisstant Doctors • Becca • Bee-mo • Benton • Better Reality Users • Betty Grof A.I. • Boobafina (Grotto World) • Booshy • Bronwyn's Friends • Bun Bun • Bushboots • Candy Elemental (St. Pim Era) • Candy Elemental (Unknown Era) • Candy Girl • Captain Majesty • Choose Goose (Grotto World) • Clock Bear • Dolphin People • Dr. Gross • Early Creature • Elder Rollio • Ele-fly • Elephant Summoners • Evil Hermit • Fire Elemental (St. Pim Era) • Fire Elemental (Unknown Era) • Flower Marcy • Founders • Frieda • Giant Parrot • Gibbon • Grand Prix • Grass Demon • Grass Worm • Greg (Islands) • Greta • Guardian • Hans • Hiders • Hiram • Jennings • Kim Kil Whan's Employees • King • Kulap • Lady Rainicorn (Grotto World) • Lee • Luke • Lynda • Mantis Man • Mechanical Dolphins • Michel • Mike R. • Moniker • Mr. Fox (Grotto World) • Mr. International • Mr. Outrageous • Mr. Pig (Grotto World) • Pete the Punk • Pink Pond • Pirates • Reggie • Roy • Santa • Seekers • Slime Elemental (St. Pim Era) • Slime Elemental (Unknown Era) • Spear Bear • Sue (Islands) • Sveinn • Tai • Todd • Tree Trunks' Alien Children • Turtle Announcer • WAITMAN79 • Weirdo Finn • Weirdo Jake • Whipple • Widow • Widow's Bodyguard • Widow's Tiger • Wild Trap Mountain inhabitants • William • Wing

Season 9	Banana People • Blue Jay • Bogo • Cloudy • Female worshipers • Gummy Fish • Michael • Other Fionna • Ted • Wall of Water

Season 10	Alarm Clock Creature • Baby Teeth Finns • Beth • Cake People • Cake People Mutant • Cake Titans • Cookie • Future Mole • Ghost Thugs • Gingerbread Rapper • Grumbo • Guard Man • Gumball Guardian Mutant • Malus/Talug • Mind Frogs • O • Past Lady • Peanut • Pirates (Ring of Fire) (Mr. Faidutti) • Pudding Troll • Rapper Chipmunk • Shermy • Son of Rap Bear • Warren Ampersand's other children • Wishy • X • Yak

Distant Lands	Ancient Wizards • Blaine • Cadebra • CGO • Cole • Con Wizard • Darling • Dr. Caledonius • Flaming Skull • Glassassins • Glassboy • Hugo • KS-2 • Larry • Larvo • Lenny Longlegs • Limeston • Manta Creature • Momdebra • Monsters of the 1st Dead World • New Death • Olive • Potable Wizard • Sandy • Shafter • Sir Soda • Spader Petersen • Sweetie • Twinkletoes • Undertakers • Usurpers of Wizard City • Waffle Cone Trolls • Y4/Y5 • Y5's Dad

Fionna & Cake	Astrid • Baby Cinnamon Bun • Baby Finn • Baby Ice King • Baby Jake • Baby Jiggler • Baby Lady Rainicorn • Baby Lich • Baby Magic Man • Baby Ricardio • Baby Tree Trunks • Balloon Animal • Banana Guards (Silent World) • Banana Guards (Winterworld) • Beard Guy • Billy (Vampireworld) • BMO (Extinct World) • Bonnibel Bubblegum (Vampireworld) • Bonnie Mertens • Boobafina (Silent World) • Burger • Bystanders (Silent World) • Candy Cane Guy (Winterworld) • Candy Handcuffs • Candy Queen • Casper • Cheers characters • Child Wizard • Chocoberry (Winterworld) • Cinnamon Bun (Winterworld) • Clock Titans • Cocka-tikes • Coffee Guy • Cookie Guy (Winterworld) • Egg-like being • Everplant • Farmworld Finn's Wife • Farmworld Starchy • Fionna Lookalike • Gumball Guardians (Baby World) • Gunter (Extinct World) • Gunter (Winterworld) • Guy with Boading Balls • Huntress • Ice King (Extinct World) • Ice Marceline • Ice Prince • Ice Prince's Penguin • Ice Scouts • Iceclopes (Winterworld) • James (Winterworld) • Jay Mertens • Kheirosiphon • King Cockatrice • The Lich (Black & White World) • The Lich (Extinct World) • Little Destiny • Marceline (The Star) • Marshmallow Kids (Winterworld) • Martin Mertens (Vampireworld) • Monstrous Candy People • Mossy Rock Humanoid • Mr. Cupcake (Winterworld) • Mudskipper • Nightmare Gary • Nightmare Marshall Lee • Nightmare Simon • Nova • Orbo • Pastry Cake • Pastry Fionna • Pawn Swan • Peppermint Butler (Silent World) • Perry the Living Island of Insight • Pillow Kid • Pony • Ratbus • Ratbus' Victims • Scarab • Simon Petrikov (Vampire World) • Skater Fairies • Spider Tattoo Artist • Tammy • Tennis ball • Train Conductor • Tree Trunks (Silent World) • Unknown Baby • Unnamed Cosmic Entities • Unnamed Farmworld Children • Vampire King (Vampire World) • Vampire Minions (Vampireworld) • Van Driver • The Winter King • Winter Kingdom inhabitants • Za'baby

Comics	3MO • 8-Head Ted • Adventure Tim • Alistair Blacktide • Allen • ALN • Anbaris • Arklothac • Bad Guy Magpie • Bad Haircut Wizard • Bartholomew • Basketball Wizard • Blake • Bongo • Carl the Gem • Charlie Mayor • Cherry Chris • Chronologius Rex (All-Time) • Corn Syrup Wizard • Craig • Creepy Finn & Jake robots • Dan • Dark Magistar Templi Marble • Devil Cake Downers • Dr. Broccoli • Duke of Limesnatch • Echo of the Lich • Ewlbo • Eyebabes • Fart Fairies • Finn the Fearful • Fisho the Colossal • Flynn • Gata • Gata's Mother • Ghost Destroyers • Greg • Gum • Guntors • Guy • Hairy Chris • Ham-Pire • Hambone • Hook Crook • Hot Dog Princess' bun • Janice Bizzlethatcher • Keila • Lady Stabsworth Z. Backwash III • Lady Unibow • LeafLans • Lord Lazertron the Third • Lord Lazertron the Third's Mom • Lord Vandalstine • Lumpy Space Predators • Lumpy Space Rat • Lun • Maggee • Malloy • Mice King • Mnemonoid • Monkey Wizard • Mow-Me • Nellie • Ng'Zot Aa • None Shall Pass • Orphan Ice Prince Timothy • Painting King • Peanut Butter Dragon • Penelope • Penny (Comics) • Pickles • Randall N. Byron • Rock Candy Lady • Sand People • Sewer Wizard • Sinorses • Song Birds • Todd (Comics) • Topiary Nose • Tuff • Ulyssses • Weebles • William (comic) • The Wish Witch • Zon

Video Games	Doodle Wizard • Pillowmint Butler • Sunny • Tiny

Evil Cosmic Bacteria

Appearance

Gallery

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