Sharks - Their fins stick up the surface and they swim about harmlessly, they seem to be of great interest on the island itself though.
Flies - Fly around the garbage bins.
Fish - In the Shark Museum a taxidermy fish sits in a display case. A man in a Shark Costume holds one, to which your Poptropican can comment.
Fruit Bat - They normally hang upside down but will unhesitatingly attack a Poptropican, knocking them back.
Giant Caterpillar - It climbs about on a Shark Statue and will knock back the Poptropican if touched.
Great Beast - A large deceased creature only remaining as a fossil. It resembles a dinosaur and one of their bones is a require item to put Booga to sleep.
Great Booga Shark - A huge shark that traps its prey on Castaway Island. It wears a collar and has a hook on its fin. It eats coconuts that can be shot from a cannon and must be put to sleep to earn the island medallion. If the player attempts to get close, the fin will knock them back. It is also called "The Great Booga" or simply "Booga."
Fruit Bat Man - He is a man that is dressed as a fruit bat. He lives in the temple with the other fruit bats and seems to think that he is one as well. He helps you find the Old Bone.
Mechanical Mouse - It must be captured with moldy cheese and fed to Merlin. It will normally run away and hide.
Merlin - A robotic owl created by Mordred. It befriends the Poptropican and will follow it in most outdoor environments. It is later playable and used to defeat Mordred but is gravely injured. It is later repaired however.
Metal Piranha - Fish like enemies that swim around in liquid nitrogen lakes.
Tigercopter - A tiger shaped helicopter that has many ice based attacks.
Caterpillar-type creature - A caterpillar like enemy that lives in the volcano on Fire Planet. It has a segmented body and an eye on each segment. It curls into a loose ball and rolls to attack.
Dragotank - A dragon shaped tank with a very crippling weakness. It can spit fireballs and can only be defeated by an Ice Arrow
Mechanical Caterpillars - They live on Jungle Planet and aren't afraid to give you a shock.
Mechanical Bugs - They resemble bees and will fly into you.
Pegasus Unicorn Robot - It will help you and then mysteriously disappears.
Mother Phoenix - It will fly about and shoot Missiles at the Poptropican. It is defeated by the Pegasus Unicorn.
Missile Birds - They are fired off by the Mother Phoenix.
Baby Atomic Phoenixes - They will pop up from eggs.
Pewter Aliens - The only inhabitants of the Pewter Moon. They are customizable and closely resemble Poptropicans.
Red Snakes - Numerous red snakes live in the Tree of Immortality. Their faces are covered in honey and they appear to be drunk. You can use them as ropes.
Green Snakes - Small green snakes inhabit a portrait of the Minotaur. There is one with red swirly eyes.
Grasshopper - It just hops around. Jokingly, Hercules will call the Poptropican a grasshopper when this one is present.
Goat - A man outside the gym will try to sell this to you.
Butterflies - They just fly around.
Bat - Flies around in Hades' domain before the Poptropican plummets to the Underworld.
Styx Crocodile - A green reptilian creature that appears in the River Styx. It is shown in a photograph in Hades's throne room.
Minotaur - A half-human half-bull creature who is surprisingly civilized.
Cerberus - A three headed dog like creature of Greek Mythology. It guards Hades throne room and needs to be lulled to sleep so one of its hairs can be stolen.
Hydra - A five headed lizard like creature of Greek Mythology. It will attempt to eat the Poptropican. One of its scales must be taken.
Seagulls - They appear in random places and open their mouths when clicked on.
Seals - They appear in a lot of random places and also open their mouth when clicked on.
Dog - It is owned by a lady.
Stuffed Dodo Bird - Inside the Mews Mansion, you can find one.
Fish - A mounted fish appears in Mew's Mansion. Your Poptropican finds it creepy. Fish also appear if you look through the binoculars at Loch Ness.
Giant Squid - In the Cryptid Museum, you can find one in a huge glass container.
Chickens - In Puerto Rico, chickens appear on a farm. Chickens can be also seen dead in the monitor of the Chupacabra.
Frogs - Random frogs appear in Puerto Rico.
Spotted Goats - They appear when you're looking for the Chupacabra. Three are required to find it.
Goats - They appear when you're looking for the Chupacabra.
Snake - A snake that can be jumped on, it becomes dizzy when you stand on it.
Jersey Devil - One of the four Cryptids who appears in a window and flies away. It lays an egg and the eggshells are left for proof.
Raccoon - It lives in the attic of Mother Leeds' house. You originally mistake it for the Jersey Devil.
Chupacabra - One of the four Cryptids who is almost trapped by you to try and get proof. However, he attacks your Poptropican after breaking out of the trap and leaves a tooth behind for proof.
Bigfoot - One of the four Cryptids you find proof for. It gets captured and must be rescued.
Nessie - One of the four Cryptids which is seen in the first fake photo if you look closely. After you beat the expert dart player the second time, the barman gives you a penny whistle. Go on the boat and play the whistle when you are close to land and Nessie will appear. Take a picture for proof. Afterwards, it goes back into the sea and swims away. It could also be spotted in the sneak peek for Cryptids Island.
Grey Squirrel - One lives in the Pacific Northwest, next to Bigfoot's cave.
Woodpecker - It lives in a hole in a tree next to Bigfoot's cave.
Snake - A snake appears in Puerto Rico.
Iguana - A large iguana sleeps on a farmer's house in Puerto Rico.
Dog - A black dog appears on a rock if you look through the viewfinder at Loch Ness. It appears to be a Scottish terrier. Another small dog also appears on a rock.
Rusty - The bank security guard's dog. It was the first to sense the presence of a ghost under the bank vault.
Cemetery Frog - Croaks.
Crow - A ragged crow appears in the cemetery.
Mysterious hiding cemetery animals - Appear as a rustle in the bushes. Another mysterious creature has glowing yellow eyes and hides in the grim reaper statue.
A Seagull - Guards her nest fiercely until you distract her with sardines.
Sardines - Found in a can.
Dead bird - A bird's skeleton was found in the cemetery.
Owl - An owl appears in Lot B of the cemetery. It hoots when you click it and when it does, a weirdo will shout that he hears the spirits.
Scorpion - A scorpion can be seen in the pet shop.
Tarantula - A tarantula can be seen in the pet shop.
Poison Dart Frog - Two poison dart frogs can be seen in the pet shop.
Moths - Fly around the street lights.
Little Eddie - A very intelligent coral snake who plays a big role in this island after it escapes, steals your scooter, and uses it to defeat Preston Wilhelm.
Parrots - They appear in the pet shop and are observed to be able to talk.
Shark - A shark can be seen in a small tank in the pet shop.
White Mouse - A white mouse appears in a cage in the pet store.
Songbirds - They perch on telephone wires and chirp.
Mosquitoes -They are seen in the Poptropica Disease Center.
White Mice -They are seen with the mosquitoes.
Lymphocyte - Also known as white blood cells, they attack any invaders of the body (including you).
Weaponised Heartworm - A parasitic creature that was bred specifically for biological warfare. You have to destroy it in the bonus quest when it infects a dog.
Ravens - The Raven Swarm item is a members-only card available in the Poptropica Store. Also the ringmaster of the carnival is called "Ringmaster Raven" and he owns a pet raven which can be seen in his tent.
Pig - A butter sculpture of a pig is seen.
Carnie Monsters - The carnies transform into various monsters:
Gelatin Monster - The lady at the Fried Dough stand changed into a living pile of gelatin.
Fish Monster - The man at the duck-fishing booth transformed into a green, aquatic creature with webbed feet and fins.
Brain Monster - The guy at the weight-guessing booth was transformed into a giant brain and spine with glasses and small tentacles.
Humanoid Monsters - The two men outside the Ringmaster's tent transformed into furry, green, pig-nosed, horned humanoids.
Puppet Monster - The man outside the Tunnel of Love transforms into a giant puppet. He also attacks you in the Haunted Lab and seems to hate light.
Muscular Monster - The lady at the Test Your Strength game transforms into a furry, tiger-like, muscle-bound creature.
Mounted Creatures - Mounted animals in the Haunted. Most appear to be crossbreeds of animals.
Squirrel - A cranky squirrel that lives in a tree. It will chase you off the tree if you get too close and you must get the woodpecker to chase it off the obtain the Bird's Nest.
Woodpecker - You need it to chase the squirrel away.
Bear - A hibernating bear that lives in a cave.You have to be careful not to wake it up.
Owls - They pop out of holes randomly.
Bat - It flies around the cave.
Episode 2: Hook, Line and Sinker[]
Snow owl - It sleeps in a hole.
Fish - You have catch one to eat.
Wolf pup - A small white wolf pup that resides in a hole.
Chipmunk - A small chipmunk.
Beaver - You must infiltrate a beaver lodge to steal a fish hook. To do so, you must leak the water out of the dam and chase the two beavers away when they attempt to fix the holes.
Worms - You can use them as bait. They are found in the mud beneath rocks. It is the only bait that succeeds in luring the fish.
Pill bugs - You can use them as bait. Like the worms, they are found in the mud beneath rocks. It fails to lure the fish.
Grubs - You can use them as bait. Like the worms and pill bugs, they are found in the mud beneath rocks. It fails to lure the fish.
Roaches - They crawl around the wall of a cave.
Centipede - It scuttles around.
Owls - A few owls are seen after dark.
Episode 4: Cabin Fever[]
Taxidermy animals - A collection of dead animals that MVP has hunted. They are seen all around his cabin.
Seagull - It lives in a nest on top of the ship's mast.
Stonefish - A poisonous fish you must film down.
Barreleye fish - A fish with a bizarre appearance that you must film down.
Anglerfish - A deep-sea predatory fish you must film down.
Red Cuttlefish - Common cuttlefish.
Purple Cuttlefish - A rare cuttlefish you must film down.
Sea Dragon - A type of seahorse you must film down.
Red Fish - Small red fish you must use to lure the Anglerfish. They will follow you as you pass them.
Pink Sea Urchins - Bumping into these will scare away red fish which are following you.
Hydromedusa - A rare jellyfish that you follow into the deep. A group of them later short-circuit your submersible.
Whales - Seen in the ending scene background.
Episode 2: Fortress of the Deep[]
Small fish - Small red fish that follow and keep the goblin shark from attacking you.
Goblin shark - A monstrous shark that tries to attack you. You must lure it into a tank. This will power part of the doorway.
Hydromedusa - There are a few of them. You have to lure one into a tank and the others into power sockets in order to power another part of the doorway. They will shock you if you get too close and they disappear back to the start when they go off-screen.
Electric eel - It shocks you if you touch it.
Puffer fish - You have to fix the pipe system to transport it into the generator and power another part of the doorway.
Episode 3: Out of the Blue[]
Mutants - Many mutants are seen in the ship. They seem to be held in a type of suspended animation.
Leviathan - A particularly large eel-like mutant which escapes from its tank and attacks you.
Dinosaurs - Dinosaurs are seen in the ship's memory.
Bat - A bat can be seen outside the Haunted House holding a key. You have to get the key to finish the quest.
Spiders - A spider can be seen above the witch painting. You use it to scare the witch into dropping her broom. There are also some spiders in the cellar that knock you back when you touch them.
Ghost Cat - A ghost cat can be seen in the house. It can talk to you and guides you throughout the quest.
Monsters - They appear at the end of the quest in an underground chamber and thank you for bringing them everything they need for the party.
Fierce Lion - A costume of a lion that holds a mouse.
Crazy Rooster - A rooster costume that comes in three colors: green, white and blue.
Cheesy Mouse - A mouse costume that holds a thin slice of cheese.
Puppy - A costume of a puppy dog that comes in three colors: brown, cream and black.
Dragon - A dragon costume that comes in blue, green and purple.
Bigfoot Fanatic - A costume that allows a juvenile Sasquatch to sit on your head.
Tiger Shark - A costume that resembles a cross between a tiger and a shark by having the body of a shark costume and the skin of a tiger. It holds a dead fish.
Hammerhead Shark Boy/Girl - A costume of a hammerhead shark holding a dead fish.
Monster Costumes - There are 4 individual monster costumes each with unique features.
Swamp Monster Costume - Based on the movie "Creature Of The Black Lagoon," this costume makes you look like a gill-man (or gill-woman).
Werewolf Boy/Girl - This costume makes you look like a werewolf.
Frankenstein/Bride Of Frankenstein - Based upon the famous novel by Mary Shelley, this costume will make you look like the monster Frankenstein (or his bride if you are a girl).