Alice from Alice in wonderland
A cartoon character starting with A is Apu.
Kenny from South Park
itchy from "itchy and skratchy"
elmer fudd
Bugs Bunny
Charlie Brown (Peanuts)
Mickey Mouse Minnie mouse
the name is louis Lilo as in Lilo and Stitch
ariel...of the little mermaid ariel..of the little mermaid
Underdog?
Eeyore from Winnie The Pooh (Big) Ethel from Archie Comics
Betty Boop Bugs Bunny Barney Rubble