Character
Conundrum (Connie) First Appearance, Villain, Mary Grayson (Flashback), Pamela Isley Poison Ivy, Thomas Elliot As Batman (Bruce Wayne), The Park Killer Villain, Sister Agatha (Death), Dr. Mid-Nite (Pieter Cross) (Cameo), Batman (Dick Grayson), Justice Society of America JSA, Mr. Freeze (Victor Fries) (Cameo, Flashback, Villain), Poison Ivy (Pamela Isley) (Cameo, Flashback, Villain), LaMar Shultz, Clio (Villain), Scarface (Arnold Wesker) (Cameo, Flashback, Villain), Andrew Raymond (Cameo), Batman (Bruce Wayne) (Flashback), Mad Hatter (Jervis Tetch) (Cameo, Flashback, Villain), Rachel (Flashback), Gagsworth A. Gagsworthy (Villain), Calliope (Villain), Origin, Cameo, Sharon Quinzel (Harley's Mother), Maggie Kyle, Two-Face (Harvey Dent) (Cameo, Flashback, Villain), Harley Quinn (Harleen Quinzel) (Villain), Angela Gulbraith (First Appearance), Joker Flashback, Scarecrow (Jonathan Crane) (Cameo, Flashback, Villain), Bob Battleman First Appearance, Andrew Raymond, Nicky, Bane (Cameo, Flashback, Villain), Zatanna, Karen, Joker (Cameo, Flashback, Villain), Dr. Aesop (Villain), Alisa Adams, Joker Villain, Riddler (Edward Nigma) (Cameo, Flashback, Villain), Poison Ivy Pamela Isley, Erato (Villain), The Broker, David, James Gordon, Poison Ivy, hush (Villain), Jenny, Simon Burton (Flashback), Mr. Quinzel (Harley's Father), Riddler, Joker Gaggy, Penguin (Oswald Cobblepot) (Cameo, Flashback, Villain), Gaggy (Gagsworth A. Gagsworthy) Villain, Killer Croc (Waylon Jones) (Cameo, Flashback, Villain), Black Mask Flashback, Robin (Dick Grayson) (Flashback), Poison Ivy (Pamela Isley) (Villain), Talia Al Ghul Villain, The Carpenter (Jenna Duffy), Alfred Pennyworth, Catwoman, Ultra-Humanite Villain, John Grayson (Flashback), Death, Dr. Donald Simmons, Dick Grayson (Batman), Boneblaster First Appearance, Edward Nigma (Riddler), Black Mask (Flashback, Villain), Flashback, Robin (Damian Wayne), Harvey Bullock, Stuart Rawlings (Villain), Barry Quinzel (Harley's Brother), Clayface (Basil Karlo) (Cameo, Flashback, Villain), Selina Kyle (Catwoman), Harley Quinn, The Broker (Sherman Fine) Cameo, hush (Thomas Elliot) Cameo, Harleen Quinzel (Harley Quinn), Joel, Sister Zero (Maggie Kyle), Wildcat (Ted Grant), Batman (Jason Todd) Flashback, Also As Dr. Paula Irving
