Adventure Time/Scooby-Doo and the Ghoul School (1988)

Version 1 (by Princess Dynasti)

 * Finn Mertens as Shaggy Rogers
 * Jake as Scooby-Doo
 * Marceline as Sibella
 * Flame Princess as Winnie
 * Princess Bubblegum as Elsa Frankenteen
 * Pink Gumdrop Lass as Tanis
 * Ghost Princess as Phantasma