David Gumpel

Kermit der Frosch

Muppet Sing Alongs: Treasure Island

Hey, You're as Funny as Fozzie Bear

Muppet Sing Alongs: Things That Fly

Muppet Sing Alongs: Billy Bunny's Animal Songs

Muppet Sing Alongs: It's Not Easy Being Green

Wow, You're A Cartoonist!

Muppets on Wheels