Kanga and eyore and piglet and poo
Kitara from Avatar
Kenny from South Park.
KenshiroKankuroKitty White (Hello Kitty's name)
Well... Kermit the Frog?? I guess he's not exactly a cartoon though... Kit, of the Kit 'n' Carlyle cartoon strip
Krazy Kat
Kimpossible
Kim Possible.
kazoo
Kenny from South Park
Kanga on Winnie the Pooh
kanga from Winnie the pooh and kid notorious and the kool-aid man
Kyle Brofoloski, a character from South Park.Key-per, a character from Adventure time.K-9, a character from Looney Tunes.King of Theives from Adventure Time.