Victor von Doom
Alvin and the Chipmunks are cartoon characters. They begin with the letter A.
Marge and Maggie out of 'The Simpsons' begin with the letter "M"...
F is for Flintstones.
If you are referring to the cartoon characters from the Simpsons, the answer is Itchy, the cartoon mouse.
Fairly OddParents
Zelda
Underdog
Violet Gray is a character in the comic strip Peanuts. Her name begins with the letter V.
Alvin
* Naruto
Krazy Kat
Elmur Fudd.