Eugene Horowitz is the cheerful and famously unlucky classmate of Arnold Shortman in Hey Arnold!. Despite being known as the school jinx, Eugene remains optimistic and usually responds to his latest accident with his trademark “I'm okay.” He has a strong interest in musical theater and frequently breaks into singing or dancing, showing a surprisingly expressive and artistic side. Eugene's good nature, persistence, and ability to laugh at his own misfortune make him one of Hillwood's most memorable supporting characters.