About Cesar Romero
César Julio Romero Jr. was an American actor. He was active in film, radio, and television for almost 60 years. His wide range of screen roles included Latin lovers, historical figures in costume dramas, characters in light domestic comedies, and the Joker on the live-action Batman television series of the mid-1960s, who was included in TV Guide's 2013 list of the 60 nastiest villains of all time. Romero was the first actor to play the character. He was a first cousin of silent film star Emerson Romero, who was a few years older than César and came to New York in 1907 to attend a school for the deaf. He guest-starred in 1957 on CBS's The Lucy–Desi Comedy Hour on the first episode of the seventh season ("Lucy Takes a Cruise to Havana").
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.