The Joker is Batman's arch-enemy and has been in several versions of Batman. Joker was created back in 1940 and has remained popular and the most prominent batman villain. This lista is for the live-action shows and films that the Joker appeared in, not counting commercials and fan films.
1. Cesar Romero (1966-1968)
2. Jack Nicholson (1989)
3. Roger Stoneburner (2002)
4. Heath Ledger (2008)
5. Cameron Monaghan (2014-2019)
6. Jared Leto (2016)
7. Joaquin Phoenix (2019)
8. Mark Hamill (upcoming TV crossover)
1. Cesar Romero (1966-1968)
2. Jack Nicholson (1989)
3. Roger Stoneburner (2002)
4. Heath Ledger (2008)
5. Cameron Monaghan (2014-2019)
6. Jared Leto (2016)
7. Joaquin Phoenix (2019)
8. Mark Hamill (upcoming TV crossover)