Adventure Time, Regular Show and The Amazing World of Gumball/The Muppet Show Theme (from The Muppet Show)

Cast

 * as Kermit the Frog
 * as Sweetums
 * as Thog
 * as Timmy Monster
 * as Mutation #1
 * as Mutation #2
 * as Female Chorus
 * as Male Chorus
 * as Statler and Waldorf
 * as The Audience
 * as Other Muppets
 * as Gonzo