Challengers of the Unknown [Kyle "Ace" Morgan; Lester "Rocky" Davis; Matthew "Red" Ryan; Walter "Prof" Haley] Doom Patrol [Elasti-Girl [Rita Farr]] Negative Man [Larry Trainor] Robotman [Cliff Steele]] Forever People [Big Bear; Dreamer Beautiful; Mark Moonrider; Serifan; Vykin the Black] Infinity, Inc. [Atom Smasher [Albert "Al" Rothstein]; Brainwave Jr. [Henry King Jr.]; Fury [Hippolyta "Lyta" Trevor]; Jade; Northwind; Obsidian; Silver Scarab [Hector Hall]; Skyman/Star-Spangled Kid (Sylvester Pemberton)] Metal Men [Gold; Iron; Lead; Mercury; Platinum; Tin] Omega Men [Broot; Kalista; Primus; Tigorr] The Outsiders [Black Lightning; Geo-Force [Brion Markov]; Halo; Katana] Project Cadmus [Dubbilex; Guardian (James Harper clone)] Teen Titans [Aqualad [Garth]; Beast Boy [Gar Logan]; Black Bumblebee [Karen Beecher]; Cyborg [Victor Stone]; Gnarrk; Guardian [Mal Duncan]; Kid Flash [Wally West]; Omen [Lilith Clay]; Raven; Speedy [Roy Harper]; Starfire; Wonder Girl [Donna Troy]] Crime Champions [Chronos [David Clinton]; Doctor Alchemy; Fiddler [Isaac Bowin]; Icicle [Joar Makhent]; The Wizard [William Zard]] Crime Syndicate [Johnny Quick [Jonathan Allen]; Owlman [Thomas Wayne Jr.]; Power Ring [Harold Jordan]; Superwoman [Lois Lane]; Ultraman [Kal-Il]] Evil Factory [Mokkari; Simyan] Intergang [Bruno Mannheim] Rogues [Captain Boomerang; Captain Cold; Heat Wave; Mirror Master [Sam Scudder]; Trickster [James Jesse]; Weather Wizard [Marco Mardon]] Ambush Bug [Irwin Schwab] Amethyst ["Amy Winston"] Animal Man [Buddy Baker] Aquaman (Arthur Curry) The Atom [Ray Palmer] Batgirl [Barbara Gordon] Batman (Bruce Wayne) Blue Beetle [Ted Kord] Blue Devil [Daniel Cassidy] Bronze Tiger [Ben Turner] Canary [Dinah Laurel Lance] Captain Atom John Constantine The Creeper [Jack Ryder] Deadman [Boston Brand] Doctor Fate [Kent Nelson] Doctor Light [Kimiyo Hoshi] Dove [Don Hall] Elongated Man [Ralph Dibny] Element Woman [Urania Blackwell] Firestorm [Ronnie Raymond] The Flash (Barry Allen) The Flash [Jay Garrick] Green Arrow (Oliver Queen) Green Lantern [Alan Scott] Green Lantern [Guy Gardner] Green Lantern (Hal Jordan) Green Lantern [John Stewart] Gypsy Harbinger [Lyla Michaels] Hawk [Hank Hall] Hawkgirl [Shiera Sanders] Hawkman [Carter Hall] Hourman [Rex Tyler] Krypto Lady Shiva [Sandra Wu-San] Martian Manhunter Mera Metamorpho [Rex Mason] Mister Miracle [Scott Free] The Monitor [Mar Novu] Nightshade [Eve Eden] Nubia Orion Pariah [Kell Mossa] The Phantom Stranger Plastic Man [Eel O'Brian] The Question [Vic Sage] Ragman [Rory Regan] Red Tornado Richard Dragon [Richard Drakunovski] Robbie Reed [Cometeer (Unnamed); Future Man (Unnamed); Giantboy (Unnamed); Hornet-Man (Unnamed); Human Bullet (Unnamed); Human Starfish (Unnamed); Hypno-Man (Unnamed); King Coil (Unnamed); Mister Echo (Unnamed); Radar-Sonar Man (Unnamed); Nightwing [Dick Grayson]; Shadow-Man (Unnamed)] Robin [Dick Grayson] Robin [Jason Todd] Steel [Henry Heywood III] Superboy [Clark Kent] Supergirl [Kara Zor-El] (dies in flashback) Superman [Clark Kent] Adam Strange The Swamp Thing [Alec Holland] Thorn [Rose Forrest] Vibe [Cisco Ramon] Vigilante Vixen [Mari McCabe] Warlord [Travis Morgan] Wonder Woman (Diana of Themyscira) Zatanna Zatara Angle Man The Anti-Monitor Bizarro No. 1 Black Manta Brainiac-Prime Brother Blood Catwoman [Selina Kyle] Cheetah [Barbara Minerva] Clayface [Basil Karlo] Darkseid Dawg Deadshot Deathstroke [Slade Wilson] Doctor Psycho Eclipso [Bruce Gordon] Giganta Gorilla Grodd Talia al Ghul Joker Killer Frost [First appearance] Kobra [Jeffrey Burr] Lady Clayface [Sondra Fuller] Lex Luthor Lobo Man-Bat [Kirk Langstrom] Metallo [John Corben] Mister Freeze Mister Mxyzptlk (Fifth Dimension) Ocean Master Parasite [Rudy Jones] Penguin Poison Ivy Riddler Silver Swan Sinestro Terra [Tara Markov] Toyman [Winslow Schott] Trigon Two-Face Aquababy [Arthur Curry Jr.] Jimmy Olsen Lois Lane Perry White Alfred Pennyworth Commissioner Jim Gordon