The DC Universe by John Byrne

Two-Face

Harvey Dent, 1948-present

The Atom

Al Pratt

Ray Palmer

The Atom

Riddler

Edward Nigma

Beast Boy

Garfield Logan

Wonder Girl

Donna Troy

Metamorpho

Rex Mason

Hawkgirl

Kendra Saunders

Iris West Allen

girlfriend/wife of The Flash

Jor-El

Kryptonian father of Kal-El (Superman)

Hawkman

Katar Hol, Thanagarian

Lara

Kryptonian mother of Kal-El (Superman)

Changeling

Garfield Logan

Negative Man

Larry Trainor

Doctor Light

Kimiyo Hoshi

Will Magnus

creator of the Metal Men

Joan Garrick

DC character

Halo

Violet Harper / Gabrielle Doe

Elasti-Girl

Rita Farr

Monsieur Mallah

Doom Patrol villain

Chronos

David Clinton

Hector Hammond

Green Lantern villain; Wild Card; Ophidian

Enemy Ace

Hans von Hammer

Mento

Steve Dayton

Terry Long

ex-husband of Donna Troy

Niles Caulder

DC, Le Chef

The Shade

Richard Swift

Negative Woman

Valentina Vostock

Tempest

Joshua Clay, Doom Patrol

The Fiddler

Isaac Bowin, Flash villain

Madame Rouge

Laura De Mille, Doom Patrol villain

Celsius

Arani Desai-Caulder

General Immortus

from Doom Patrol

Brain

Pinky and the Brain

Reactron

Ben Krullen / Martin Krull, from DC

Hannibal Hawkes

DC, Nighthawk

Garguax

Doom Patrol villain

Julius Schwartz

editor

General Zahl

Doom Patrol villain

Jenny Long

Terry Long's daughter

Gardner Fox