Steven Universe/SpongeBob SquarePants

Cast

 * Steven Universe as SpongeBob SquarePants (They both start with "S")
 * Onion as Patrick Star
 * Lars as Squidward Tentacles
 * Mr. Fryman as Mr. Krabs
 * Garnet as Sandy Cheeks
 * Lion as Gary the Snail
 * Zim (from Invader Zim) as Plankton
 * Peridot as KAREN
 * Pearl as Pearl Krabs (They both have the same first name)
 * Amethyst as Mrs. Puff
 * Greg Universe as Harold SquarePants
 * Rose Quartz as Margaret SquarePants