Emily Grace Whitehurst, also known as Agent M, is an American singer, songwriter, composer, musician, and record producer. In 1998, she began her music career by fronting the punk rock band Tsunami Bomb. After Tsunami Bomb disbanded in 2005, she co-founded and fronted the Action Design; a rock group. Since then, Whitehurst has been working on her synth-driven indie pop solo project Survival Guide.