Thomas Joseph Irwin, known professionally as "Shotgun Tom" Kelly, is an American radio and television personality. He is a two-time Emmy award winner, Billboard Air Personality of the Year winner, an inductee into the California Music Hall of Fame (2023), and recipient of a star on the Hollywood Walk of Fame.

KRTH is a commercial radio station that is licensed to Los Angeles, California, United States and serves the Greater Los Angeles area. The station is owned by Audacy, Inc. and broadcasts a classic hits format. KRTH's studios are located on Wilshire Boulevard in the Miracle Mile district of Los Angeles. The station's signal covers an extremely large area of Southern California due in part to its antenna location on Mt. Wilson. It can be heard as far south as San Diego, as far east as Moreno Valley, as far west as Santa Barbara, and as far north as Barstow. KRTH is the flagship station for the nationally syndicated program Rewind with Gary Bryan.