Suggestions by @nolanmassey
3,411 suggestions

Rocket Raccoon (Marvel Cinematic Universe)
as Marvel in Comic Book Roles That Robin Williams Could've Played
Robin Williams
as Rocket Raccoon (89P13) in Guardians of the Galaxy Trilogy (2004-2013)

Joe Pesci
as Napoleon Bonaparte in Stanley Kubrick's Napoleon (1973)
Anthony Hopkins
as Dr Jekyll in Dark Universe (1997)

Rainbow Dash
as The Rani in The Worst Doctor Who Series

Jason Voorhees
as Liz Shaw in The Worst Doctor Who Series

Ghost Rider: Trail of Tears
as River Song in The Worst Doctor Who Series

Barry B. Benson
as Companion 3 in The Worst Doctor Who Series
Snoop Dogg
as K-9 in The Worst Doctor Who Series

Emperor Sheev Palpatine (Darth Sidious)
as Iris Wildthyme in The Worst Doctor Who Series

Zazu
as The Doctor in The Worst Doctor Who Series

Shaggy Rogers
as The Doctor in The Worst Doctor Who Series

Robin Williams
as Jim in Blazing Saddles (1994)

Dan Aykroyd
as Harvey Bullock in Ivan Reitman’s The Batman

Robin Williams
as Clegg Forbes in The Twilight Zone (1990s)/1x11 And When the Sky Was Opened

Sara Paxton
as Gwen Stacy in What Characters Do You Want to See Sara Paxton Play in the 2000s

Earl Holliman
as Ian Chesterton in American Doctor Who

Freddie Prinze Jr.
as Ken in Barbie (2003)

Renée Zellweger
as Barbie in Barbie (2003)

Robin Williams
as The CEO of Mattel in Barbie (1993 Live-action version)