All Fictional Characters/Muppets

Cast

 * Phineas Flynn (from Phineas and Ferb) as Kermit the Frog
 * Isabella Garcia-Shapiro (from Phineas and Ferb) as Miss Piggy
 * SpongeBob SquarePants (from SpongeBob SquarePants) as Fozzie Bear
 * Homestar Runner (from Homestar Runner) as Gonzo
 * Baljeet (from Phineas and Ferb) as Scooter
 * Snoopy (from Peanuts) as Rowlf the Dog
 * Irving (from Phineas and Ferb) as Walter
 * Ernie (from Sesame Street) as Dr. Teeth
 * Jack (from Jack's Big Music Show) as Floyd Pepper
 * Mary (from Jack's Big Music Show) as Janice
 * Strong Sad (from Homestar Runner) as Zoot
 * Strong Mad (from Homestar Runner) as Animal
 * Rabbit (from Winnie the Pooh) as Lips
 * Tutter (from Bear in the Big Blue House) as Rizzo the Rat
 * as Dr. Bunsen Honeydew
 * as Beaker
 * as Sam the Eagle
 * as The Swedish Chef