Suggestions by @giacomochannel

Steve Carell

as Captain Cold in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Seth Green

as Gaggy in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Conan O'Brien

as Mister Mxyzptlk in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Max Charles

as Billy Batson in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Charlie Day

as Shazam in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Clancy Brown

as Bizarro in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Melissa Rauch

as Black Canary in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Andy Richter

as Green Lantern in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Andy Samberg

as Onomatopoeia in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Mark Hamill

as Trickster in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Ken Jeong

as Hugo Strange in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

John Krasinski

as Catman in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Mark Hamill

as Doctor Death in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Richard Horvitz

as Gizmo in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Michael Douglas

as Mister Mind in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Nick Kroll

as Professor Pyg in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Kelly Hu

as Katana in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Donald Glover

as Static in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Millie Bobby Brown

as Jayna in Harley Quinn DC Universe Animated Series Future Characters Fan Cast

Finn Wolfhard

as Zan in Harley Quinn DC Universe Animated Series Future Characters Fan Cast