And list the different versions.
Me:
Superman, Aquaman, J'onn J'onzz, and Batman - 1 version
Wonder Woman - 2 versions - Diana and Hippolyta
Green Lantern - 6 versions - Hal Jordan, Alan Scott, John Stewart, Kyle Rayner, Kilowog, and Guy Gardner
Flash - 3 versions - Wally West, Jay Garrick, and Bart Allen
Hawkman - 2 versions - Katar Hol and Carter Hall
Hawkgirl - 2 versions - Shiera Hol and Shayera Hall
Atom (Ray), Elongated Man, Zatanna, and Red Tornado - 1 version
Shazam - 1 version
Nightwing - 1 version
Robin - 2 versions - Tim Drake and Jason Todd
Wonder Girl - 2 versions - Donna Troy and Cassie
Superboy - 1 version - Kon-El/Conner
Green Arrow and Black Canary - 1 version
Speedy/Arsenal - 2 versions - Roy Harper and Conner Hawke
Hourman - 2 versions - Android and Rick Tyler
Atom Smasher, Starman (Jack Knight), Dr. Mid-Nite (Pieter), and Mr. Terrific - 1 version
Dr. Fate - Any, I don't care - 1 version
Legion of Super Heroes - Levitz/Giffen era lineup - 1 version