If you have watched the TV series about Harley Quinn, you remember the character in our fanart Harley Quinn The Riddler cursor pack. He is a former associate of the Legion of Doom and the Injustice League and later joined Doctor Psycho to take down Harley Quinn and rule Gotham. He is shown as a bald, white male with a question mark tattoo on his forehead. The Riddler wears a green overcoat with question marks, a black undershirt, and purple suit gloves. He also usually carries a green cane shaped like a question mark.