The Joker/Riddler through out the years

Cesar Romero in the Batman tv series and the Batman movie

Jack Nicholson in the 1989 Batman film

I couldn't find a picture for Mark Hamill's Joker, so it's under Batman Returns

Roger Stoneburner in the 2002 T.V series

Heath Ledger was the last person to portray The Joker

I couldn't find the Batman T.V series, so it is under Batman Black and White. Frank Gorshin in the Batman T.V series, Batman film, and Legends of the Superheroes

John Astin as the Riddler in the Batman T.V Series

Jim Carrey was the last person to portray Riddler