Andy Sipowicz is a fictional character from the television series NYPD Blue, which aired from 1993 to 2005. He is portrayed by actor Dennis Franz and serves as a detective in the New York City Police Department. Sipowicz is known for his tough demeanor, sharp investigative skills, and complex personality, often grappling with personal demons and moral dilemmas. Throughout the series, Sipowicz evolves from a hard-drinking, abrasive cop to a more compassionate and understanding individual. His character often deals with themes of redemption, loss, and the challenges of police work, making him one of the most memorable figures in television history.