1) Darkseid 2) Time Trapper 3) Fatal Five 4) Universo 5) Sun-Eater 6) Ra's al Ghul 7) Dark Circle 8) Doctor Regulus 9) The Khunds 10) Legion of Super-Villains
1) The Time Trapper 2) The Fatal Five 3) Mordru 4) The Emerald Empress (sans the Five) 5) Legion of Supervillains 6) The Dark Circle 7) The Dominators 8) Glorith 9) Universo 10) Computo
I left out Darkseid cuz it was really just the one story and I don't think of him as a "Legion villain"