Suggestions by @shutupdumbass

Michelle Pfeiffer

as Wendy in Mario Bros Rockymortonverse

Zombie Sound Effects

as Dry Bones in Super Mario Bros 2 (Illumination)

Jack Black

as tiny Bowser in Super Mario Bros 2 (Illumination)

Helena Bonham Carter

as Birdo Voice in Mario Bros Rockymortonverse

Tom Hardy

as Yoshi Voice in Mario Bros Rockymortonverse

Colleen O'Shaughnessey

as Diddy Kong Voice in Mario Bros Rockymortonverse

Christopher Lee

as Toadsworth in Mario Bros Rockymortonverse

Kristen Stewart

as Toadette in Mario Bros Rockymortonverse

Andy Serkis

as Donkey Kong Voice in Mario Bros Rockymortonverse

Monkey

as Cgi Diddy Kong in Mario Bros Rockymortonverse

CGI Character

as Cgi Koopa Troopa in Mario Bros Rockymortonverse

Gorilla

as Cgi Donkey Kong in Mario Bros Rockymortonverse

CGI Character

as Cgi Birdo in Mario Bros Rockymortonverse

James Franco

as Koopa/Bowser Jr in Mario Bros Rockymortonverse

Mark Hamill

as King Boo in Mario Bros Rockymortonverse

Michael Clarke Duncan

as King Wart in Mario Bros Rockymortonverse

CGI Character

as Cgi Yoshi in Mario Bros Rockymortonverse

Jim Carrey

as Waluigi in Mario Bros Rockymortonverse

Danny DeVito

as Wario in Mario Bros Rockymortonverse

Non Speaking Role

as Goomba in Mario Bros Rockymortonverse