Tommy Gavin is a fictional character from the television series Rescue Me, which aired from 2004 to 2011. He is portrayed by actor Denis Leary and serves as a firefighter in New York City. The show explores his struggles with personal demons, including post-traumatic stress disorder (PTSD) and the challenges of balancing his demanding job with family life. Throughout the series, Tommy navigates complex relationships with his fellow firefighters and his family, including his estranged wife, Janet Gavin, and their children. The character is known for his intense personality and often reckless behavior, reflecting the pressures faced by first responders.