Suggestions by @yuyudirects

Pamela Adlon

as Professor E. Gadd in SMG4 Season 15 (The Final Season) AU Cast

Fred Tatasciore

as Old Man Hobo in SMG4 Season 15 (The Final Season) AU Cast

Fred Tatasciore

as Depresso The Clown in SMG4 Season 15 (The Final Season) AU Cast

Bob Bergen

as Yoshi in SMG4 Season 15 (The Final Season) AU Cast

Eric Bauza

as El Bombo in SMG4 Season 15 (The Final Season) AU Cast

Eric Edelstein

as Donkey Kong in SMG4 Season 15 (The Final Season) AU Cast

Jessica DiCicco

as Pauline in SMG4 Season 15 (The Final Season) AU Cast

Patrick Warburton

as Bowser in SMG4 Season 15 (The Final Season) AU Cast

'Weird Al' Yankovic

as The Death Cube in SMG4 Season 15 (The Final Season) AU Cast

Andy Daly

as Hal Monitor in SMG4 Season 15 (The Final Season) AU Cast

Dee Bradley Baker

as Toomp The Blob in SMG4 Season 15 (The Final Season) AU Cast

Elsie Lovelock

as Leggy in SMG4 Season 15 (The Final Season) AU Cast

Rhys Darby

as Fuego The Water Bottle in SMG4 Season 15 (The Final Season) AU Cast

Mick Wingert

as Steve in SMG4 Season 15 (The Final Season) AU Cast

Mick Wingert

as Mr. Monopoly in SMG4 Season 15 (The Final Season) AU Cast

Seth Green

as FightingMario54321 in SMG4 Season 15 (The Final Season) AU Cast

Sean Astin

as NintendoFan997 in SMG4 Season 15 (The Final Season) AU Cast

Fred Tatasciore

as Dr. Pootis in SMG4 Season 15 (The Final Season) AU Cast

Will Forte

as The Police Officer in SMG4 Season 15 (The Final Season) AU Cast

Phil Lord

as Marty in SMG4 Season 15 (The Final Season) AU Cast