Phineas and Ferb/Spongebob Squarepants

Cast: and more
 * Phineas as Spongebob
 * Ferb as Patrick
 * Perry as Gary
 * Carl as Squidward
 * Major Monogram as Mr.Krabs
 * Isabella as Sandy
 * Phineas' Dad as Larry
 * Doofenshmirtz as Plankton
 * Phineas' Mom as Mrs.Puff
 * Homer(From The Simpsons)as Mermaidman
 * Bart(From The Simpsons)as Barnacleboy
 * Candace as Pearl
 * Peter the Panda as Bubble Buddy
 * The Sea Welks as Themselves