House of Cartoon Villains

The Lion King

 * Scar

Mr. Men

 * Mr. Rude


 * Mr. Grumpy


 * Mr. Stubborn


 * Mr. Uppity


 * Little Miss Trouble


 * Mr. Mean


 * Mr. Grumble


 * Little Miss Bossy


 * Mr. No


 * Mr. Cheeky

Winnie the Pooh

 * The Backson


 * Stan


 * Heff

Almost Naked Animals

 * Bunny


 * Poodle

Regular Show

 * Skips


 * Benson

SpongeBob SquarePants

 * Plankton

My Little Pony

 * Discord


 * Trixie


 * Cranky Doodle Donkey

Thomas and Friends

 * Diesel 10


 * Diesel


 * Arry and Bert


 * Bulgy


 * Spencer


 * Hector


 * George


 * Troublesome Trucks


 * Daisy


 * Splodge/Splatter and Dodge

Mario Bros.

 * Bowser


 * King Boo


 * Bowser Jr.


 * Koopa Kids


 * Wario


 * Waluigi


 * Goomba


 * Boo


 * Enemies

Hercules

 * Hades


 * Panic


 * Pain

TUGS

 * Bluenose


 * Zorran


 * Zip


 * Zug


 * Zebedee


 * Captain Zero

Sonic

 * Robotnik


 * Scratch and Grounder


 * Storm


 * Shadow


 * Jet

Jim Henson

 * Mad Monty


 * Frazzle


 * Poison Cackler

Wacky Races

 * Muttley


 * Dick Dastardly


 * Big Gruesome


 * Little Gruesome

Aladdin

 * Jafar


 * Iago

Peter Pan

 * Captain Hook

Other Disney

 * Maleficent


 * Cruella De Vil


 * Mad Hatter and Cheshire Cat


 * Madam Mim

Non-Disney and More

 * Lord Voldemort


 * Darkrai


 * Mr. Slate


 * Mr. Spacely


 * Gargamel


 * Darth Vader


 * Ursula


 * Gorgonzola


 * Eight Armed Willy


 * Tai Lung


 * Kaa


 * Shere Khan


 * Charles Muntz


 * Ranger Smith


 * Nestor


 * Paddy


 * Oscar the Grouch


 * Moishe Oofnik


 * Mr. Crosspatch

and more