Nemo
ichigo kurosaki
Fred Flintstone, Fat Albert and Felix the Cat are cartoon characters. They begin with the letter f.
Underdog
Alvin and the Chipmunks are cartoon characters. They begin with the letter A.
InuyashaIno(Naruto)
Luigi
NEMO!
you mean the letter U? UnderDog
Mickey Mouse
Huckleberry Hound
Andy Capp
Elmer Fudd