#10: The Joker’s Behind-the-Scenes Smile
Cesar Romero immortalized the Joker’s maniacal laugh in the Batman series, drawing inspiration from his first sight of the character’s flamboyant costume. However, it’s intriguing to note that Frank Sinatra expressed interest in portraying the Joker. This revelation sparks curiosity and imagination about how the legendary singer might have interpreted the iconic role.

With his infectious laughter and dynamic presence, Romero’s portrayal remains an indelible part of Batman’s television legacy, solidifying the Joker as one of the most iconic villains in popular culture.