Monsters, Paranormal Beings and Mythical Creatures

A lot of them.

Ape Monsters

 * Sasquatch
 * The Abominable Snowman
 * King Kong
 * Donkey Kong
 * Yeti

Werewolves

 * Oz
 * Eddie Munster
 * Lobo

Muppets

 * Cookie Monster
 * Elmo
 * Grover

Sea Monsters

 * Cthulhu
 * Loch Ness Monster
 * Spongebob
 * Aquaman

Cryptids

 * El Chupacabra
 * Jersey Devil
 * Thunderbird

Ogres and Smelly Creatures

 * Shrek
 * Swamp Monster
 * Alligators
 * Toilet

Walking Undead

 * Zombies
 * Wombies
 * Mummy
 * King Tut
 * Frankenstein's monster

Vampires

 * Dracula
 * Count Blackula
 * Count Fagula
 * Edward Cullen
 * Batman
 * Bella Swan Batman

Undead People

 * Jack Sparrow
 * Davy Jones

Pokemon

 * Pikachu
 * Ash
 * Polkamon
 * Chairman
 * Brock
 * Various other Pokemon

Ad Creatures

 * Pizza Time Moon
 * Mr. Yuk
 * The Fluffy Cloud That Goes Yeah
 * The DirecTV Select Button
 * Max from Blue Tax
 * Money You Could Be Saving

Talking Food

 * Pillsbury Doughboy
 * Master Shake
 * Frylock
 * Meatwad
 * Flying Spaghetti Monster
 * Annoying Orange

Martians

 * Marvin the Martian
 * Little Green Men
 * Those aliens from War of the Worlds

The Saga

 * Wookies
 * Jabba the Hutt
 * Ewoks
 * Tusken Raiders
 * Yoda
 * Darth Vader
 * Bantha
 * Admiral Ackbar (IT'S A TRAP)

Invaders

 * Pod People
 * Martians
 * Xenomorphs (Those scary aliens from Alien movie)
 * Lrrr, FROM OMICRON PERSEI 8!
 * Irkians
 * Invader Zim
 * Space Invaders

Extraterrestrial Superheros

 * Superman
 * Green Lantern
 * Buzz Lightyear
 * Space Guys
 * Ratchet

Annoying Aliens

 * ET
 * Roger Smith
 * Meap
 * Stitch
 * Groot, or I am Groot
 * Kang and Kodos
 * Jar Jar Binks

Ghosts

 * Boo Berry
 * Casper
 * Obi-Wan
 * Blinky
 * Pinky
 * Inky
 * Clyde
 * Phantom of the Opera
 * Slimer
 * Ghosts of Christmas
 * The Flying Dutchman

Angels

 * Cupid
 * Sailor Moon (I'm not kidding)

Demons

 * Eviki
 * Slender Man
 * Freddy Krueger
 * The Boogeyman

Personifications of Death

 * Death
 * Grimuel Reaper (Grim)
 * Morty
 * The Flying Dutchman, again

Fairies

 * Tinker Bell
 * Jinkle Bell
 * The Fairy Godmother
 * Those Winx Club people
 * Maleficent
 * Isabel the Water Sprite

Genies

 * Aladdin's Genie (he has no name)
 * Genie

Elves

 * Snap
 * Crackle
 * Pop, RICE KRISPIES!
 * Santa's Elves
 * Santa Claus

Gnomes and Dwarfs

 * Gnomeo & Juliet
 * Doc
 * Grumpy
 * Dopey
 * Sneezy
 * Happy
 * Sleepy
 * Bashful
 * Lazy
 * Crazy
 * Stupid
 * Pointy Hat

Smurfs

 * Papa Smurf
 * Smurfette
 * Brainy Smurf
 * Grouchy Smurf
 * Clumsy Smurf
 * Greedy Smurf
 * Green Smurf
 * Sassette
 * Annoying Smurf
 * Smurfy Smurf
 * Millions of other smurfs

Wizards and Witches

 * Alex
 * Witches
 * Harry Potter
 * Dumbledore
 * Harry Houdini

Giants

 * FEE FY FO FUM!
 * Clifford
 * Paul Bunyan
 * Pecos Bill
 * Cyclops

Trolls

 * Cabbage Patch Kids
 * The Grumpy Old Troll who lives under the Bridge
 * Internet Trolls