Nickelodeon/The Simpsons

Cast

 * Timmy's Dad (from The Fairly OddParents) as Homer Simpson
 * Timmy's Mom (from The Fairly OddParents) as Marge Simpson
 * Timmy Turner (from The Fairly OddParents) as Bart Simpson
 * Cindy Vortex (from Jimmy Neutron) as Lisa Simpson
 * Lil DeVille (from Rugrats) as Maggie Simpson (Lil and Maggie are both Baby Girls)
 * Grandpa Lou (from Rugrats) as Grandpa Abe
 * Sparky (from The Fairly OddParents) as Santa's Little Helper
 * Gary (from SpongeBob SquarePants) as Snowball
 * Sheldon J. Plankton (from SpongeBob SquarePants) as Mr. Burns
 * SpongeBob SquarePants (from SpongeBob SquarePants) as Mr. Smithers (SpongeBob and Smither's Names' both Start with an "S")
 * Sheldon Dinkleberg (from The Fairly OddParents) as Ned Flanders
 * Mrs. Dinkleberg (from The Fairly OddParents) as Maude Flanders
 * Chester's Dad (from The Fairly OddParents) as Lenny Leonard
 * AJ's Dad (from The Fairly OddParents) as Carl Carlson
 * Squidward Tentacles (from SpongeBob SquarePants) as Moe Syzlak
 * Patrick Star (from SpongeBob SquarePants) as Barney Gumble (Patrick and Barney are both Fat Slobs)
 * Chester McBadbat (from The Fairly OddParents) as Milhouse Van Houten (Chester and Milhouse are both Friends to Timmy and Bart)
 * Francis (from The Fairly OddParents) as Nelson Muntz
 * Sheen Estevez (from Jimmy Neutron) as Ralph Wiggum
 * Jimmy Neutron (from Jimmy Neutron) as Martin Prince, Jr.
 * Angelica Pickles (from Rugrats) as Jessica Lovejoy
 * Mr. Krabs (from SpongeBob SquarePants) as Principal Skinner
 * Mrs. Puff (from SpongeBob SquarePants) as Agnes Skinner
 * Vicky (from The Fairly OddParents) as Edna Krabappel
 * Dennis (from SpongeBob SquarePants) as Slideshow Bob
 * Tallest Red and Tallest Purple (from Invader Zim) as Kang and Kodos