Goosebumps 3: Horrorland

Returning

 * Slappy the Dummy from the Night of the Living Dummy saga
 * Hannah Fairchild from The Ghost Next Door
 * The Abominable Snowman from The Abominable Snowman of Pasadena
 * Will Blake in his werewolf form from The Werewolf of Fever Swamp
 * Bernt Green from My Best Friend Is Invisible
 * Lawn Gnomes from Revenge of the Lawn Gnomes
 * The Scarecrows from The Scarecrow Walks at Midnight
 * Additional mummies from The Curse of the Mummy's Tomb
 * The Graveyard Ghouls from Attack of the Graveyard Ghouls
 * The Haunted Car from the book with the same name
 * Fifi the Vampire Poodle from Please Don't Feed the Vampire!
 * A Giant Praying Mantis from A Shocker on Shock Street
 * Clarissa from Be Careful What You Wish For...
 * The Pumpkin Heads from Attack of the Jack-O'-Lanterns
 * Captain Long Ben One-Leg from Creep from the Deep
 * Bees from Why I'm Afraid of Bees
 * Carly Beth wearing the Haunted Mask originally from Haunted Mask
 * Professor Shock from The Creepy Creations of Professor Shock
 * Count Nightwing from Vampire Breath
 * Countess Yvonne from Please Don't Feed the Vampire!
 * The Creeps from Calling All Creeps!
 * The Lord High Executioner from A Night in Terror Tower and Return to Terror Tower
 * The Mummy of Prince Khor-Ru from Return of the Mummy
 * Murder the Clown from A Nightmare on Clown Street
 * The Body Squeezers from Invasion of the Body Squeezers: Part 1, Part 2, and Revenge of the Body Squeezers

New

 * The Masked Mutant from Attack of the Mutant
 * Sabre from Welcome to Camp Nightmare
 * Mr. Wood from Night of the Living Dummy
 * Monster Blood from the book with the same name
 * Andrew Craw from The Headless Ghost
 * Dr. Brewer's Clone from Stay Out of the Basement
 * Mrs. Maaargh from Creature Teacher
 * Sarabeth from Monster Blood
 * Cuddles the Hamster from Monster Blood II