Underworld Unleashed

Mongul

Mongul I, DC villain

Circe

DC, from Greek mythology

Killer Moth

Drury Walker / Cameron van Cleer

Ocean Master

Orm Marius

Psycho-Pirate

Roger Hayden

Trickster

James Jesse

Mark Mardon

Weather Wizard, Flash villain

Doctor Polaris

DC, Neal Emerson

Chronos

David Clinton

The Gentleman Ghost

Jim Craddock

Copperhead

from Batman

Abra Kadabra

Citizen Abra, Flash villain

Neron

DC, Demon

Merlyn

DC, Dark Archer, Arthur King

Bolt

Larry Boltiansky, DC

Killer Frost

Dr. Louise Lincoln

Blockbuster

Roland Desmond, DC

Crazy Quilt

Paul Dekker, enemy of Batman and Robin

Rainbow Raider

DC, Roy G. Bivolo

Jewelee

Charlton / DC; from Punch & Jewelee

Punch

Charlton / DC; from Punch & Jewelee

Doctor Spectro

DC; Thomas Emery

Deadline

DC, from Starman

Hellgrammite

Roderik Rose

Chiller

DC, villain