ALVINNN!!! and The Chipmunks/Spongebob

Cast

 * Alvin Seville as Spongebob
 * Simon Seville as Harold SquarePants (Both wear glasses and are the father figures to Alvin and Spongebob)
 * Theodore Seville as Patrick Star
 * Dave Seville as Mr. Krabs
 * Brittany Miller as Sandy Cheeks
 * Jeanette Miller as Margaret SquarePants
 * Eleanor Miller as Mindy
 * Miss Smith as Mrs. Puff (Both are teachers)
 * Kevin as Squidward
 * Derek Smalls as Sheldon J. Plankton (Both are evil and vicious)
 * Emil as Stanley S. Squarepants (Both likes to be like Alvin and Spongebob)
 * Mary-Anne as Pearl Krabs
 * Bocarter Humphrey as Squilliam Fancyson (Both are arrogant and snobbish)
 * Cheesy as Larry the Lobster
 * Biggy Large as The Mayor
 * Pamela D. as Squilvia (Both have a love interest of Kevin and Squidward)
 * Bruce as Tom
 * Miss Croner as Karen
 * Officer Dangus as Officer John (Both are Polices)
 * Logan as Scooter
 * John as Harold
 * Warren as Fred
 * Ray Ray as Dennis
 * Chole as Debbie Rechid
 * Tracy as Norma Rechid
 * Alber as Sadie
 * Vanessa as Evelyn
 * Jenny as Nazz-Mimi (Both are startled)
 * Dr. Haywood as Purple Doctorfish
 * Annie as Susie Rechid (Both are young)
 * Jessie Sobel as Sheila