Evil Cosmic Bat

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

Appearance

Evil Cosmic Bat is a blue bat-like creature with green wings.

Gallery

Trivia

A similar creature can be seen in BMO

v • d • e Other characters

Recurring	Abracadaniel • Ancient Psychic Tandem War Elephant • Ancient Sleeping Magi of Life Giving • Banana Man • Betty Grof • Billy • Boy Bear • Bronwyn • Bufo • Charlie • Chet • Chicle/Crunchy • Chocoberry • Choose Goose • Cinnamon Bun • Clarence • Cosmic Owl • Cuber • Death • Dr. Ice Cream • Elise • Fear Feaster • Fern • Flambo • Flame King • Football • Forest Wizard • Foxes • Gingerbread Cookie • Gingerbread Muto • GOLB • Grassy Wizard • Gridface People • Grob Gob Glob Grod • Gumbald/Punchy • Gumball Guardian • Gunter • Hunson Abadeer • Huntress Wizard • Jake Jr. • Jermaine • Joshua • Kim Kil Whan • King Man • King of Ooo • Lemongrab 1, 2, & 3 • Lolly/Manfried • Lumpy Space King & Queen • Maja • Margaret • Martin Mertens • Me-Mow • Mr. Cupcake • Mr. Fox • Mr. Pig • Neptr • Nurse Pound Cake • Party God • Party Pat • Peppermint Butler • Phil • Prismo • Pup Gang • Ricardio • Root Beer Guy/Dirt Beer Guy • Shelby • Snail • Snow Golem • Squirrel (The Duke) • Starchy • Susan Strong • The Lich/Sweet P • The Morrow • Tiffany Oiler • Toronto • Tree Trunks • T.V. • Viola • Warren Ampersand

Animated short	Abraham Lincoln • Fire Elemental • Iceclops • Ninjas • Old Man

Season 1	Ant • Balloons • Battle Cubes • Bee • Bellamy Bug • Brad • Brain Beast • Bucket Knight • Business Men • Cactus Creatures • Cloud Answering Person • Coal Man • Cobbler • Crystal Guardian • Demon Cat • Door Baby • Donny • Duchess of Nuts • Duke of Nuts • Eberhardt • Evil Guy • Fine Lady • Fire Count • Fire Newt • Frog • Gary the Mermaid Queen • Giant Bear • Giant House Guy • Guardian Angel • Hag • Hatchlings • Heart Beast • Invisible Babes • Key-per • King Worm • Ladybug Child • Ladybug Mom • Lake Knights • Laser Pointer Troll • Lyre Player • Mannish Man • Marauders • Marquis of Nuts • Melissa • Mini Queen • Mountain Man • Mr. Turtle • Naked Wizard • Narrator • Oculus of Rehabilitation • Ogre • Old Lady • Old Man Henchman • Old Man Prisoner • Old Wizards • Party Jellyfish • Party Snail • Penny • Reaper • Riddle Master • Science Cat • Sentient Tea Cup • Shark • Sharon • Sign Zombies • Skeleton Army • Skeleton Butterflies • Sleeping Student • Snow Monsters • Stanley • Stanley's family • Stonesy • Super Freak (Gorflax, Gork, Kim, Trudy, Wee Wee, & Zap) • Swamp Giant • Swan • The Jiggler • Three Wise Men • Toad • Two Headed Ducks • Video Game Frog • Video Game Girl • Wall of Flesh • Witch • Wizard Students

Season 2	Aquandrius • Bob & Ethel Rainicorn • Boobafina • Booboo • Bouncy Bee • Boyfriend & Girlfriend Skeletons • Butterfly With Laser Gun • Colonel Candy Corn • Commander and Private • Cubby • Dancing Bug • Dr. Dextrose • Dr. Donut • Gate Guardian • Georgy • Gelatin Man • Ghost Man • Gnome Knight • Gnome Ruler • Golem • Eskimo Husband • Grimby • Green Gumdrop Dude • Gummy • Halt • Hot Dog Knights • Hunny Bunny • Jelly Bean People • JJ • Kitten • Large Bear • Lester • Momma Bear • Monster • Mrs. Yoder • Mushroom Mayor • Nymph • Piglets • Red Cyclops • Red Faced Female Monster • Taddle • Tart Toter • Schwabl • Simon • Sir Slicer • Sleepy Sam • Slicer's Horse • Snail Ladies • Snorlock • Soul Sucked Fuzzy Friend • Teenage Bear • Tiny Red Creature • Tree Witch • Wendy • Whisper Dan • Xergiok

Season 3	Ash • Blastronaut • Burger Monster • Candy Corn Thug • Clown Nurses • Cute King • Dimension Wizard • Door Lord • Dr. J • Dumb Rock • Evil Monster • Fight King • Fire Wolf Pup • Flame Lord • Forest Cyclops • Fruit Witches • Gladiator Ghost • Grand Master Wizard • Hamburger Monster • Hand Snow Golem • Hedgehog Creatures • Hot Dog Monster • Howard • Iron Owl • Jaybird • Laser Wizard • Lava Man • Lemon Camel • Lollipop Thug • Mildwin • Pan • Papa Wolf • Paper Pete • Rainy • Science • Scorcher • Slush Beast • Smudge • Spider • Spirit Waves • Stag • Talking Bush • Tiny Goblin • Tree Stump With Sign • Ugly Monster • Weapon Head • Wildberry Guards • Wormo

Season 4	Baby Spider • Bear • Beautiful Lady • Bebe • Barb • Candy Nanny • Chocolate Chips • Dream Warrior • Ed • Family • The Farm • Fat Bee • Flame Soldiers • Furnius • Goliad • Ice Penguin Monsters • Jalapeño Pepper • Lorraine • Margles • Mirror Finns • President Porpoise • Prince Huge • Ronnie • Shark Sword • Spirits (The Dead One) • Stormo • The Train • Tiny Manticore • Torcho • Tree of Blight • Winged Lemongrab Horse • Woobeewoo Elder

Season 5	Agnes • Alarm Cat • Ann • Aquatic Fish Creature • Bartram • Bella Noche • Big Destiny • Bird Man Skeleton • Blanket Dragon • Blargetha • Blue Gumdrop Guy • Blueberry Cops • Boney • Box Prince • Box Prince Impostor • Braco • Bubble • Buck Pudding • Butt Chest • Candy Boss • Candy Sheriff • Candy Trimmer 1 • Candy Trimmer 2 • Candy Waiter • Cart Creature • Cart Guy • Canyon • Captain Banana Guard • Cherry Cream Soda • Choose Bruce • CMOs • Crabbit Familiar • Cream Puff Gentleman • Dead Hunter • Destiny Gang (Unnamed Destiny Gang members) • DMO • Elder Plops • Elderly Beetle • Elderly Fly • Evil Giant Guy • Island Lady • Farmworld Finn/Ice Finn • Farmworld Jake/Farmworld Lich • Farmworld Marceline • Finn's Baby Brother • Finn's Dad • Finn's Mom • Flint • Flying Demons • Flying Lettuce Brothers • Flying Troll • Funeral Guests • Gareth • Gentleman Spider • Giant Ant Monster • Giant Goo Skull • Giant Mouse • Gunthalina • Head Worm • Hole Frog • Imaginary Jake • James • James Baxter • Jay & Bonnie • Johnnie • Jordan • Kartemon • Lemonhope • Little Buddy • Little Dude • Loafy • Mail Bird • Man In The Wall • Milk Ghost • Mini Elves • Moe • Mother Gum • Mouse Family • NX vcjZmQ9w • Ogdoad • Paris • Pete Sassafras • Petey • Phlannel Boxingday • Pillow Child • Princess Bubblegum Bot • Pterodactyl • Quilton • Randy • Randy (flame person) • Rap Bear • Rasheeta • Rattleballs • Rock Giant • Roger • Ron James • Roselinen • Sand People (Red Starved) • Samantha • Shoko • Slider Guy • Slime Guards • Slime Warriors • Snake Runner • Sparkle • Sparkle's Mom • Spider-snake hybrid • Squeez-E-Mart boss • Squirrel (Up a Tree) • Stranson Doughblow • Sue • Suitors • Suzy • Tentacle Monster • The Beast • The Glitch • The Lobster • The Owl • The Porcupine • Trami • Tromo • Ursula • Vapor Swamp Monsters • Veiny Monster • Wall Spider • Wizard Bill • Wizard Police • Wizard Prison Chef

Season 6	Alien Children • Alien Messenger • Balthus • Beau • Berdzerd • Billybee • Billybee's Gang Bees • Bland Alien Creatures • Blindfolded Mantis • Blue Berry Customer • Blue Nose • Blue Snail • Breezy • Bryce • Bus Person • Cadmus Legion • Carroll • Caterpillar • Chatsberry • Cheryl • Chinchizard • Chips and Ice Cream • Citadel Guardians • Clock Face • Cosmic Cloud People • Cosmic Head Devourer • Cosmic Half-Bodied Creature • Cosmic Mouth Creature • Cosmic Spikey Creature • Cosmic Tentacle Creature • Cosmic Waist Creature • Cow Farmer • Cube Person • Darren • Daughter of Peace Master • Dewdrop Citizen • Drawer Dresser Person • Drum Set People • Duty Manager • Elder Granny Alien • Elder Pops Alien • Erin • Evil Cosmic Bacteria • Evil Cosmic Barnacle • Evil Cosmic Bat • Evil Cosmic Cyclopes • Evil Cosmic Jellyfish • Evil Cosmic Robot • Evil Cosmic Teacher • Evil Cosmic UFO • Evil Cosmic Urchin • Evil Cosmic Worm • Eye Creature • Eye Moon • Father Alien • Flambo's Brother • Frog Twins • Geode Ants • General Tarsal • Ghost Fly • Giant Basket Transporter • Giant Crab Creature • Giuseppe • Gnome Tenant • Goose • Goralina • Gummi Water Boy • Gunther • Hairy Gummy • Hairy Person • Homeless Wildberry People • Horse • Huge King • Ice Imp • Insect Actress • Insect Announcer Carnie • Insect Audience • Insect Band • Insect Workers • Jewel-Eyed Rock Creature • Jumping Citizens • Kent • Key Person • Lamp • Leaf Beard • Leaf Man • Lieutenant Gamergate • Life • Lifeguard • Lifeguard 2 • Linda • Lizard Followers • Lizard Guard • Mage • Magwood • Martin 2 • Matthew • Mayor • Mice Daughters • Mice Followers • Microwave Person • Monks • Morty Rogers • Mother Alien • Mother Bird • Mountain Guardian • Mr. B • Mr. F • Mr. Goji Berry • Mrs. Goji Berry • Mud Man • Mud Person • Muffin Giant • Nina • Oinko • Old Green Person • Party Beetle • Party Bug 1 • Party Bug 2 • Party Scorpion • Pat • Peace Master • Peace Master's Baby • Pet Dog • Purple Comet • Purple Hairy Person • Rabid Possum • Rat King • Ringmaster • Sacrificial Deer Creature • Sally • Seven • Shadow Slender Demons • Shape-shifter • Shazbaz • Shelby’s Girlfriend • Sleeping Fire Giants • Slime Dog • Slime Grimes • Slimy D • Snow Person • Son of Peace Master Space Moth • Speedboat • Squirrel Lover • Strong Insect Worker • Talking Ant • Talking Leaf • The Raccoon • The Sun • The Wisemen • Train Boss 1 • Tuber • Upper Middle Class Wildberry Kids • Urgence Evergreen • Void Caster • Wine Glass Person • Woodpeckers

Season 7	ALLMO • AMO • Bobby • Bunny Girl • Cactus Guy • Cloud Dance • Fine Aged Cheddar Man • Frog Guards • Governor Angler Fish • Haydancy • Honey Man • Mediator Shrimp • Me-Mow's Horse • Mother Mushroom • Music Hole • Neddy • Old Banana Guards • Pepper Grinder • Piglets (Angel Face) • Prismo's Boss • Representative Cybil • Representative Eel • Representative Orca • Representative Seahorse • Representative Sea Turtle • Representative Swordfish • Risco • Secretary Octopus • Sentient Aroma • Sentient Tomato • Sock Bandits • Spirit Dream Warrior • Tadpoles • The Empress • The Fool • The Hierophant • The Moon • Thunder Boar • Two Bread Tom • Vampire King • Vampire Teen • Vice President Blowfish

Season 8	Aadil • Albert • Alva • Becca • Bun Bun • Candy Elemental (St. Pim Era) • Candy Elemental (Unknown Era) • Dr. Gross • Early Creature • Evil Hermit • Fire Elemental (St. Pim Era) • Fire Elemental (Unknown Era) • Frieda • Gibbon • Grass Demon • Grass Worm • Grand Prix • Greg (Islands) • Greta • Guardian • Hans • Hiram • King • Kulap • Lee • Lynda • Michel • Minerva Campbell • Moniker • Patience St. Pim • Pete the Punk • Roy • Santa • Slime Elemental (St. Pim Era) • Slime Elemental (Unknown Era) • Spear Bear • Sue (Islands) • Sveinn • Tai • Turtle Announcer • Whipple • Widow • William • Wing

Season 9	Bogo • Cloudy • Fire Archer • Fire Rat • Gummy Fish • Michael • Other Fionna • Sentient Lollipop • Wall of Water • Wizard Tailor

Season 10	Alarm Clock Creature • Baby Teeth Finns • Ble's Founder • Ble's Staff • Beth • Cake People • Cake People Mutant • Cake Titans • Future Two Headed Duck • Gingerbread Rapper • Grumbo • Gumball Guardian Mutant • Kookie • Mind Frogs • O • Pizza Fish • Pudding Troll • Pup Citizen • Rapper Chipmunk • Shermy • Son of Rap Bear • Talug • Wishy • X

Distant Lands	Blaine • Cadebra • CGO • Coconteppi • Cole • Con Wizard • Darling • Dr. Caledonius • Flaming Skull • Glassassins • Glassboy • Hugo • KS-2 • Larry • Larvo • Lenny Longlegs • Limeston • Momdebra • New Death • Olive • Potable Wizard • Sandy • Shafter • Sir Soda • Spader Petersen • Sweetie • Twinkletoes • Undertakers • Waffle Cone Trolls • Y5 • Y5's Dad

Comics	8-Head Ted • Adventure Tim • Alistair Blacktide • Allen • ALN • Anbaris • Arklothac • Bad Guy Magpie • Bad Haircut Wizard • Bartholomew • Basketball Wizard • Blake • Bongo • Breakfast Organisms • Carl the Gem • Charlie Mayor • Cherry Chris • Chronologius Rex (All-Time) • Corn Syrup Wizard • Craig • Creepy Finn & Jake robots • Dark Magistar Templi Marble • Devil Cake Downers • Dr. Broccoli • Duke of Limesnatch • Echo of the Lich • Ewlbo • Eyebabes • Fart Fairies • Female Lemon Children • Finn the Fearful • Fisho the Colossal • Flynn • Gata • Ghost Destroyers • Greg • Gum • Guntors • Guy Gum • Guy • Hairy Chris • Ham-Pire • Hambone • Hook Crook • Hot Dog Princess' bun • Janice Bizzlethatcher • Keila • Lady Lemongrabs • 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) • Zon

Video Games	Pillowmint Butler

Evil Cosmic Bat

Appearance

Gallery

Trivia

Fan Feed