Suggestions by @ jdfitzgerald

Tim Curry

as King K in Doney Kong : The Movie

Dwayne Johnson

as Funky Kong in Doney Kong : The Movie

+2-1Score: +1

Johnny Depp

as Chunky Kong in Doney Kong : The Movie

Anna Faris

as Dixie Kong in Doney Kong : The Movie

George Clooney

as Swanky Kong in Doney Kong : The Movie

Tim Curry

as King K Rool in Doney Kong : The Movie

Fred Armisen

as Cranky Kong in Doney Kong : The Movie

+3-0Score: +3

Kevin Hart

as Diddy Kong in Doney Kong : The Movie

Kevin James

as Lanky Kong in Doney Kong : The Movie

Rosie (Thomas & Friends)

as Toadette in Thomas and friends as Mario characters

Bulgy

as King boo in Thomas and friends as Mario characters

Edward (Thomas and Friends)

as E gadd in Thomas and friends as Mario characters

Lady (Thomas and Friends)

as Rosalina in Thomas and friends as Mario characters

Gordon the Big Express Engine

as Donkey Kong in Thomas and friends as Mario characters

Mavis (Thomas & Friends)

as Daisy in Thomas and friends as Mario characters

+4-3Score: +1

Emily (Thomas & Friends)

as Peach in Thomas and friends as Mario characters

+4-4Score: 0

Diesel 10

as Bowser in Thomas and friends as Mario characters

Toby (Thomas and Friends)

as Toadsworth in Thomas and friends as Mario characters

Percy the Small Engine

as Yoshi in Thomas and friends as Mario characters