Suggestions by @christopherrowe

Arnold Schwarzenegger

as Bowser in Super Smash Bros.

Saoirse Ronan

as Zelda in Super Smash Bros.

Amanda Seyfried

as Zelda in Super Smash Bros.

Idris Elba

as Bowser in Super Smash Bros.

Awkwafina

as Jigglypuff in Super Smash Bros.

Adam Driver

as Luigi in Super Smash Bros.

Nick Kroll

as Kirby in Super Smash Bros.

P!nk

as Black Widow in Alternate MCU

Hugh Jackman

as Batman in The Perfect Batman Movie

Laura Dern

as Martha Wayne in HUSH

Jeffrey Dean Morgan

as Thomas Wayne in HUSH

Maggie Smith

as Leslie Thompkins in HUSH

Maggie Smith

as Leslie Thompkins in HUSH

Maggie Q

as Thalia Al Ghul in HUSH

Ken Watanabe

as Ra's Al Ghul in HUSH

Peter Dinklage

as Harold Allnut in HUSH

Ian McKellen

as Alfred Pennyworth in HUSH

Jensen Ackles

as Hush in HUSH

David Tennant

as The Riddler in HUSH

Johnny Depp

as Scarecrow in HUSH