"Joker," the Batman archvillian's origin story starring Joaquin Phoenix, opened in theaters Oct. 4. Who's your pick for the best Joker in Batman history?
Cesar Romero, in the 1960s TV series
Jack Nicholson, in "Batman" (1989)
Heath Ledger, in "The Dark Knight" (2008)
Zach Galifianakis, in "The LEGO Batman Movie (2017)
Jared Leto, in "Suicide Squad" (2016)
Mark Hamill, who was voice of the Joker for many years