Penguin is Batman's Saddest Villain Joker's Asylum: Penguin The Joker spins dastardly tales of evil starring Batman’s rogues gallery and gives readers an inside look into the insane lives of Batman’s greatest adversaries. Growing up, The Penguin faced constant teasing due to his appearance, leading him to hate the world. When Oswald asked a girl to prom, she cruelly rejected him. Confused, he brings up the note she left on his desk. Her friends laugh, as it turns out they pranked him with a fake