Suggestions by @bosuthebluehedgehog

Cyclops (Scott Summers)

as Next Character in Casting a random character every saturday #34: Joker

Ramona Flowers

as Next Character in Casting a random character every saturday #34: Joker

Rayman

as Next Character in Casting a random character every saturday #34: Joker

Mega Man

as Next Character in Casting a random character every saturday #34: Joker

Pac-Man (Character)

as Next Character in Casting a random character every saturday #34: Joker

Aquaman

as Next Character in Casting a random character every saturday #34: Joker

Green Lantern (John Stewart)

as Next Character in Casting a random character every saturday #34: Joker

Hal Jordan

as Next Character in Casting a random character every saturday #34: Joker

The Flash (Barry Allen)

as Next Character in Casting a random character every saturday #34: Joker

Harley Quinn (Dr. Harleen Quinzel)

as Next Character in Casting a random character every saturday #34: Joker

Wonder Woman (Diana Prince)

as Next Character in Casting a random character every saturday #34: Joker

Alan Tudyk

as Joker (animation) in Casting a random character every saturday #34: Joker

David Howard Thornton

as Joker (live-action) in Casting a random character every saturday #34: Joker

Christopher Corey Smith

as Joker (animation) in Casting a random character every saturday #34: Joker

J.P. Karliak

as Joker (animation) in Casting a random character every saturday #34: Joker

Zach Galifianakis

as Joker (animation) in Casting a random character every saturday #34: Joker

Kevin Michael Richardson

as Joker (animation) in Casting a random character every saturday #34: Joker

Troy Baker

as Joker (animation) in Casting a random character every saturday #34: Joker

Mark Hamill

as Joker (animation) in Casting a random character every saturday #34: Joker

Tim Curry

as Joker (live-action) in Casting a random character every saturday #34: Joker