Michael Sean Martinez (born March 25, 1979), better known by his stage name Onry Ozzborn, is a rapper and producer from Seattle, Washington. He is a founding member of alternative hip hop groups such as Grayskul, Dark Time Sunshine, and Oldominion, among others.
Onry Ozzborn has collaborated with notable artists such as Aesop Rock, Sleep, Mr. Lif, P.O.S, Slug, and Busdriver.