Mark Thompson an Brian Phelps, known on the air as Mark & Brian, are an American radio duo. Their syndicated morning talk show, The Mark & Brian Show, originates from KLOS-FM in Los Angeles. Their show blends comedy sketches, listener phone calls, interviews with in-studio guests, and the occasional "road trip". They also host several live events (including their formerly-annual Christmas variety show) and are active supporters of numerous charities.