A

• Angel Marie
• Anthony
• Arnold

B

• Baby Monster
• Beakie
• Beautiful Day Monster
• Behemoth
• Bel
• Bertha (monster)
• Big Mean Carl
• Big V
• Blind Pew
• Boo Monster
• Boppity
• Bread Monster

C

• Carla the Big Mean Mom
• Chopped Liver
• The Clodhoppers
• Crown-Grabber

D

• Do Re Mi Monster
• Doglion
• Droop

F

• The Fazoobs
• Feather Boa Constrictor
• Fern
• Flower-Eating Monster

F cont.

• Flute-Snatcher
• Frackles
• Frankfurter
• Fred (monster)

G

• Gloat
• Gorgon Heap

H

• Heaps
• Huffy Monster

I

• Icky No-No

L

• Lothar
• Luncheon Counter Monster

M

• Mad Monty
• Mean Mama
• Mean Mama's Baby
• Mirinda Craver
• Miss Kitty
• Mo Frackle
• Molly Monster
• Mulch
• The Mutations

P

• Piano

R

• The Rock and Roll Monster

S

• Scoff
• Scudge
• Silver Beak
• Snarl

S cont.

• Sneegle
• The Snerfs
• Snerk
• Snickery
• Snivelly
• Snork
• Splurge
• Spotted Dick
• Sweetums
• Sweetums' Mommy

T

• Thig
• Thog
• Thudge
• Thudge McGerk
• Timmy Monster
• Tom, Dick, and Harry
• Tug Monster
• Two-Headed Muppet Monster

U

• Uncle Deadly

V

• Vile Bunch Drummer
• Vile Bunch Guitarist
• The Vile Bunch

W

• Whatnot Monster

Y

• Yorick