Suggestions by @gabriellee1

Stephen Root

as The Penguin (The Brave and the Bold) in Two Batmen from Two Earths

Ellen Greene

as Mrs. Manface (The Brave and the Bold) in Two Batmen from Two Earths

James Remar

as Two-Face (The Brave and the Bold) in Two Batmen from Two Earths

Jason Marsden

as Phosphorus (Matsudaverse) in Two Batmen from Two Earths

James Remar

as Black Mask (Matsudaverse) in Two Batmen from Two Earths

Ron Perlman

as Killer Croc (Matsudaverse) in Two Batmen from Two Earths

Dan Castellaneta

as Ventriloquist and Scarface (Matsudaverse) in Two Batmen from Two Earths

Clancy Brown

as Mr. Freeze (Matsudaverse) in Two Batmen from Two Earths

Tom Kenny

as Babyface (The Brave and the Bold) in Two Batmen from Two Earths

Piera Coppola

as Poison Ivy (Matsudaverse) in Two Batmen from Two Earths

Jennifer Hale

as Poison Ivy (The Brave and the Bold) in Two Batmen from Two Earths

Robert Englund

as The Riddler (Matsudaverse) in Two Batmen from Two Earths

John Michael Higgins

as The Riddler (The Brave and the Bold) in Two Batmen from Two Earths

Tom Kenny

as The Penguin (Matsudaverse) in Two Batmen from Two Earths

Tara Strong

as Harley Quinn (The Brave and the Bold) in Two Batmen from Two Earths

Gina Gershon

as Catwoman (Matsudaverse) in Two Batmen from Two Earths

Nika Futterman

as Catwoman (The Brave and the Bold) in Two Batmen from Two Earths

Dee Bradley Baker

as Felix Faust (The Brave and the Bold) in Two Batmen from Two Earths

Dee Bradley Baker

as Clock King (The Brave and the Bold) in Two Batmen from Two Earths

Kevin Michael Richardson

as Black Manta (The Bold and the Bold) in Two Batmen from Two Earths