Fiction Empire

Bolivian Tree Lizard
The eggs that Bart finds turn out to be an invasive species, not bird eggs at all. A vicious ovoraptor that feasts on bird eggs and lays its own eggs in the nest. The unsuspecting mother bird cares for them until the babies hatch, and devour her too. It's already wiped out the dodo, the cuckoo, and the ne-ne. And it has nasty plans for the booby, the titmouse, the woodcock, and the titpecker.

Branch Monster

Branch Monster
Creature that Homer - as Adam - names in the Garden of Eden, actually a snake.

Chinese Needle Snakes

Chinese Needle Snakes
Principal Skinner's solution to wipe out the invasive Bolivian Tree Lizard problem, which will in turn be wiped out by gorillas that will freeze to death come winter.

Crackleberry

Crackleberry
Mr. Burns withdraws a $1000 bill from the Bank of Springfield automatic teller machine to buy peanuts, which he calls crackleberries.

Crap Weeds

Crap Weeds
Homer's name for roses that wouldn't smell as sweet as roses, because they're called crap weeds.

Dewback

Dewback
Randall Curtis, creator of Star Wars parody Cosmic Wars, has a framed picture of a Dewback lizard on his office wall.

Dogcat

Dogcat
In Professor Frink's vision of the future, when Lisa breaks up with a juiced up 'roid raging Milhouse throws a trashcan through the Costington's plate glass window. Inside, there are signs advertising a hybrid animal called a dogcat. "Surprise her with a dogcat"

Dragon

Dragon
Mythical creature from multiple episodes.

Esquilax

Esquilax
Legendary creature featured in Friar Wiggum's Fantastical Beastarium at the Springfield Renaissance Faire, a horse with the head of a rabbit and the body of a rabbit.

Fantastipotamus

Fantastipotamus
Ron Howard tells Homer he's taking his kids to a special zoo with animals he's never heard of, and one of his children mentions the Fantastipotamus. "He only sings twice a day."

Fartzilla

Fartzilla
Drawing of a dinosaur/monster type creature in Bart's possession when he's processed in to the Springfield Juvenile Correctional Facility.

Fenway Flounder

Fenway Flounder
Fish Mr. Burns mentions that was apparently now extinct due to the caffeine tossed into the water during the Boston Tea Party.

Giraffapuss

Giraffapuss
Combination giraffe/octopus uncomfortable in water and on land that lives in Equaia, the imaginary queendom from Lisa and her new best friend Juliet's ambitious first novel The Chronicles of Equalia.

Jealousy Bug

Bugs

Jealousy Bug
When Lisa reveals that Bart's new boy band The Party Posse, Marge suggests she's jealous, asking her if she's been bitten by the jealousy bug, which Homer then does an impression, poking her.

Kwyjibo

Kwyjibo
Bart's Scrabble word, which he claims means, Big dumb balding North American ape with no chin.

Land Monster

Land Monster
Creature that Homer - as Adam - names in the Garden of Eden, actually a ground hog.

Lawyer Bird

Birds

Lawyer Bird
Animal from Question #1 on the Career Aptitude Normalizing Test: If I could be any animal, I would be A. a carpenter ant, B. A nurse shark, or C. a lawyer bird.

Lindenberry

Trees

Lindenberry
After a change in medication, Abe Simpson runs naked through the streets, shouting all sorts of crazy things, including that he has lindenberries.

Louisiana Lobito-moth

The Merciless Peppers of Quetzlzacatenan...

Louisiana Lobito-moth
Moe's most power drink is called the Forget-Me-Shot, the ultimate brain bleacher. One swig wipes out the last day of your life. Start with a splash of Jagermeister, then add sloe gin, Triple sec, Quadruple sec, gunk from a dog's eye, Absolut Pikl, the red stripe from Aquafresh, and the funniest ingredient, the venom of the Louisiana Lobito-moth. You stir it with a home pregnancy test till it turns positive and presto - the Forget-Me-Shot.

The Merciless Peppers of Quetzlzacatenango
Chili peppers in Chief Wiggum's chili, grown deep in the jungle primeval by the inmates of a Guatemalan insane asylum.

Mutant Peacock

Mutant Peacock
Bart falls into the mutant peacock habitat at the zoo. "This is where stem cell research led us?"

Octoparrot

Octoparrot
Hybrid animal at the Screaming Monkey Medical Research Center - a parrot with octopus tentacles.

Pocket Fox

Pocket Fox
Burns reveals a rare aphrodisiac made from the pockets of the pocket fox, an animal that only existed for three weeks in the 16th century.

Porno Bush

Porno Bush
Bush in the Garden of Eden.

Russian No-wood-niks

Russian No-wood-niks
The Simpsons' house gets termites, but not just termites, Russian termites - from the hockey stick given to Lisa at the hockey game the night before.

Screamapillar

Screamapillar
When the Simpsons find a screaming caterpillar known as a screamapillar in Marge's new koi pond, the EPA shows up to inform them that the Reversal of Freedoms Act of 1994 made allowing an endangered species to die a federal offense and that they are now responsible for its well-being. He gives them a pamphlet called "Screamapillar Care Tips".

Seaweed Shark

Seaweed Shark
Species of shark in the nature show that Lisa watches on The Learning Channel when she stays home from school sick.

Slarg Fish

Fish

Slarg Fish
Fish in Barnacle Bay. You don't eat it, its oil is used to polish stripper poles.

Stench blossoms

Stench blossoms
Bart's name for roses that wouldn't smell as sweet as roses, because they're called stench blossoms.

Stinging Red Jellyfish

Fish

Stinging Red Jellyfish
The residents of Springfield celebrate the return of the stinging red jellyfish with the Annual Jellyfish Festival every year on the "3rd Tuesday of May sweeps", featuring a dance called The Jellyfish Cotillion.

Sumatran Century Flower

Flowers

Sumatran Century Flower
The Simpsons visit the Springfield Botanical Gardens in time to witness the blooming of the Sumatran Century Flower. "Our stamens are a pistil!"

Taun Taun

Taun Taun
Randall Curtis, creator of Star Wars parody Cosmic Wars, rides off into the sunset on a Taun Taun.

Titpecker

Titpecker
Bird species that Principal Skinner mentions when describing the invasive Bolivian Tree Lizard: It's already wiped out the dodo, the cuckoo, and the ne-ne. And it has nasty plans for the booby, the titmouse, the woodcock, and the titpecker.

Two-headed Hound

Two-headed Hound
Mythological creature featured in Friar Wiggum's Fantastical Beastarium at the Springfield Renaissance Faire, born with only one head.

Two-nicorn

Two-nicorn
Rare two horned unicorn that can burp rainbows, a creature that lives in Equaia, the imaginary queendom from Lisa and her new best friend Juliet's ambitious first novel The Chronicles of Equalia.

Uni-clams

Uni-clams
In Professor Frink's vision of the future, Bart works at Kwik-E-Mart and has to make a delivery to Mr. Burns that takes him through the Forbidden Zone, occupied by dangerous flying uni-clams. He finds Mr. Burns tied up, being robbed by Snake with a Phaser/cell phone.

Unicorn

Unicorn
Animal in the Garden of Eden that Homer - as Adam - unintentionally kills.

Urine Monkey

Urine Monkey
Animal featured in an old clip shown on Krusty the Clown's 29th Anniversary Show.

Were-bear

Were-bear
Creature in the new Angelica Button and the Deadly Denouement book.

Yum-Yum Fish