The Simpsons, South Park and Codename: Kids Next Door/Scooby Doo and The Witch's Ghost

Cast

 * Numbuh 4 as Scooby Doo
 * Numbuh 2 as Shaggy
 * Numbuh 5 as Velma
 * Stan Marsh as Fred
 * Wendy Testaburger as Daphne (Wendy Testaburger and Daphne are both Formerly Voiced By Mary Kay Bergman)
 * Numbuh 86 as Thorn (Numbuh 86 and Thorn are both Voiced By Jennifer Hale)
 * Numbuh 3 as Dusk
 * Lisa Simpson as Luna
 * Heinrich Von Marzipan as Ben Ravencroft
 * Lindsay Naegle as Sarah Ravencroft (Lindsay Naegle and Sarah Ravencroft are both Voiced By Tress MacNeille)