Phineas and Ferb/Kid vs. Kat

Cast

 * Phineas as Coop
 * Zim (from Invader Zim) as Mr. Kat
 * Lawrence as Burt
 * Candace as Millie
 * Isabella as Fiona
 * Professor Poofenplotz as Old Lady Munson
 * Ferb as Dennis
 * Dr. Doofenshmirtz as Kat Kommander