A villain (or "bad guy") is an evil character in a story or film. The villain usually is the antagonist, a character who tends to have a negative effect on other characters. Random House Unabridged Dictionary defines villain as "a cruelly malicious person who is involved in or devoted to wickedness or crime; scoundrel."
List of villains
The Muppet Movie
The Great Muppet Caper
The Muppets Take Manhattan
Follow That Bird
Stars and Street Forever!
Muppet Treasure Island
Muppets from Space
- K. Edgar Singer (reformed)
- Dr. Tucker
- Bobo the Bear (reformed)
The Adventures of Elmo in Grouchland
Kermit's Swamp Years
- Dr. Hugo Krassman
- Mary
- Blotch (reformed)
- Vicki
It's a Very Merry Muppet Christmas Movie
The Muppets' Wizard of Oz
A Muppets Christmas: Letters to Santa
- Officer Meany
- Bobo the Bear (reformed)
The Muppets
- Tex Richman (reformed)
- Uncle Deadly (reformed)
- Bobo the Bear (reformed)
- The Moopets