Michael Aaron Murphy is an American guitarist and multi-instrumentalist best known for his time with the bands My Ruin and Teenage Time Killers. Murphy's playing style includes elements of classic rock and heavy metal as well as jazz, hardcore punk and thrash dance.

Theresa Beth, known professionally as Tairrie B, is an American rapper and singer. She first established herself as a rapper under the tutelage of Eazy-E. After releasing her debut album, Power of a Woman (1990) on Ruthless Records, she formed the rap metal band Manhole. She would further establish herself in metal with the band My Ruin. Since 2015, she has primarily released rap albums.