TV/Avenue Q

This parody stars characters that are owned by Cartoon Network.

Cast: More ideas?
 * Numbuhs 3 and 4 (from Codename: KND) as Christmas Eve and Brian (Kuki & Christmas Eve are both Japanese)
 * Dukey and Johnny (from Johnny Test) as Rod and Nicky
 * George and Ursula (from George of the Jungle) as Princeton and Kate Monster
 * I Am Weasel (from I Am Weasel) as Gary Coleman