Dr. Caitlin Snow / Killer Frost, Dr. Caitlin Snow / Frost, Dr. Caitlin Snow, Khione
184 episodes
Harrison 'Harry' Wells, Harrison 'H.R.' Wells, Harrison Wells, Harrison 'Sherloque' Wells, Harrison 'Nash' Wells, Eobard Thawne / Reverse-Flash, Eobard Thawne, Dr. Harrison Wells, Eobard Thawne / Reverse-Flash / Negative Reverse-Flash, Various Versions of Harrison Wells, Harrison Wells / Timeless Wells, Eobard Thawne / Reverse-Flash / The Flash, Eobard Thawne / Reverse-Flash / Timeless Wells
146 episodes
Nora Allen, Speed Force Nora, Joan Williams, Joan Williams / Speed Force Nora, Nora Allen (voice)
31 episodes
Henry Allen, Jay Garrick / The Flash, Barry Allen / The Flash (Earth 90)
29 episodes
Jay Garrick, Hunter Zolomon / Zoom, Jay Garrick / Zoom, Jay Garrick / Hunter Zolomon
21 episodes
Leonard Snart / Captain Cold, Leo Snart / Citizen Cold, Leonard A.I. (voice)
14 episodes
Savitar (voice) (uncredited), Doctor Alchemy (voice) (uncredited), Doctor Alchemy / Savitar (voice) (uncredited), Savitar (voice)
14 episodes
Ronnie Raymond / Firestorm, Ronnie Raymond / Deathstorm, Ronnie Raymond / Deathstorm (voice)
13 episodes
Oliver Queen / Green Arrow, Oliver Queen / Green Arrow / The Spectre, Oliver Queen / Green Arrow / Dark Arrow
9 episodes
Alexa Rivera / Fuerza, Negative Alexa Rivera, Alexa Rivera / Fuerza / Negative Alexa Rivera
6 episodes
Bashir Malik / Psych, Negative Bashir Malik, Bashir Malik / Psych / Negative Bashir Malik
6 episodes
Ray Palmer / The Atom, Ray Palmer / The Atom / Clark Kent / Superman, Ray Palmer
5 episodes
Ryan Wilder / Red Death, Ryan Wilder / Batwoman, Ryan Wilder / Red Death / Batwoman
5 episodes
