Suggestions by @elmerserranoportillo

Neil Ross

as Mr. Mountain the Lion in The Huckleberry Hound and Snagglepuss show (2006-2009)

Jeff Bennett

as Louise in The Huckleberry Hound and Snagglepuss show (2006-2009)

Grey DeLisle

as Josephine in The Huckleberry Hound and Snagglepuss show (2006-2009)

Charlie Adler

as Aunt Mountain Lion in The Huckleberry Hound and Snagglepuss show (2006-2009)

Bill Farmer

as Uncle Mountain Lion in The Huckleberry Hound and Snagglepuss show (2006-2009)

Tom Kenny

as Bubi Bear in The Huckleberry Hound and Snagglepuss show (2006-2009)

Steve Blum

as Square Bear in The Huckleberry Hound and Snagglepuss show (2006-2009)

Joe Alaskey

as Hair Bear in The Huckleberry Hound and Snagglepuss show (2006-2009)

Will Arnett

as Hector the Vampire in The Huckleberry Hound and Snagglepuss show (2006-2009)

Frank Welker

as Elmo in The Huckleberry Hound and Snagglepuss show (2006-2009)

Tom Kenny

as Elmo in The Huckleberry Hound and Snagglepuss show (2006-2009)

Tom Kenny

as Augie Anderson in The Huckleberry Hound and Snagglepuss show (2006-2009)

Tara Strong

as April Stewart in The Huckleberry Hound and Snagglepuss show (2006-2009)

Billy West

as Skip Gilroy in The Huckleberry Hound and Snagglepuss show (2006-2009)

Frank Welker

as Boo in The Huckleberry Hound and Snagglepuss show (2006-2009)

Tom Kenny

as Funky Phantom in The Huckleberry Hound and Snagglepuss show (2006-2009)

Jeff Bennett

as Colonel Fuzzby in The Huckleberry Hound and Snagglepuss show (2006-2009)

Dee Bradley Baker

as Sneezly Seal in The Huckleberry Hound and Snagglepuss show (2006-2009)

Billy West

as Breezly Bruin in The Huckleberry Hound and Snagglepuss show (2006-2009)

Frank Welker

as Mushmouse in The Huckleberry Hound and Snagglepuss show (2006-2009)