Joker often switched from a prankster-like clown to a much darker homicidal barefoot wild man. Despite this, he was always kind to his sidekick Harley Quinn and never physically abused her. While it could be argued that this version of the Clown Prince of Crime more resembled the colorful, comic relief character featured in the comics of the 1950s and '60s and the 1960s show, he was still a highly dangerous, intelligent, and cruel character. 