Gumby , Garfield , G.I.Joe , Gummi Bears , Goof Troop , George of the Jungle , Goofy , The Goofy Gophers , Gertie the Dinosaurs , The Geek ,
gumby
A cartoon character starting with A is Apu.
* Gwen off of Ben 10 * Giner off of As Told By Ginger
Underdog?
Garfield
goofy
one is goofy
abner Alley Oop
Alice from Alice in wonderland
Goofy, a classic Disney Character George Jetson (The Jetson's)
Gromit (Wallace and Gromit)
a cartoon character starting with the letter M could be mickey mouse , minnie mouse
Kenny from South Park