1. Conrad Veidt (The Man Who Laughs, film, 1928 - inspiration for The Joker)

2. Cesar Romero (Batman, TV series, 1966-1968)

3. Jack Nicholson (Batman, film, 1989)

4. Mark Hamill (Batman: The Animated Series, Batman: Mask Of The Phantasm, Batman Beyond: Return Of The Joker, Birds Of Prey, Batman: Arkham Asylum/Arkham City 1992-2010)

5. Curtis Armstong (Batman OnStar Commercial, 2000)

6. Roger Stoneburner (Birds Of Prey, TV series, 2002 - voice dubbed by Mark Hamill)

7. Andrew Koenig (Batman: Dead End, short film, 2003)

8. Kevin Michael Richardson (The Batman, cartoon, 2004-2008)

9. Heath Ledger (The Dark Knight, film, 2008)