Monster High/Phineas and Ferb

Cast: More ideas?
 * Jackson Jekyll as Phineas
 * Ghoulia Yelps as Ferb
 * Watzit as Perry
 * Cleo de Nile as Candace
 * Whisp as Dr. Doofenshmirtz
 * Frankie Stein as Isabella
 * Clawdeen Wolf as Baljeet
 * Draculaura as Buford
 * Abbey Bominable as Vanessa
 * Toralei Stripes as Norm
 * Spectra Vondergeist as Stacy
 * Lagoona Blue as Jeremy