The Little Mermaid/SpongeBob SquarePants

Cast
 * Prince Eric as Spongebob
 * Flounder as Patrick
 * Sebastian as Squidward (both names start with 'S')
 * Ariel as Sandy
 * Queztal (from Dragon Tales) as Mr. Krabs
 * Zak (from Salty's Lighthouse) as Gary
 * Vanessa as Pearl
 * Nazz (from Ed, Edd 'n' Eddy) as Mrs. Puff
 * Sideshow Bob (from The Simpsons) as Plankton
 * Scuttle as Larry