Michael Sean Martinez (born March 25, 1979), better known by his stage name Onry Ozzborn, is an American rapper and producer from Seattle, Washington.

Oraclez Creed soon came back together and through making connections in the Pacific Northwest hip hop scene, they met another trio of rappers named Frontline, which consisted of Destro, Nyqwil, and Snafu.

"[9] The album also featured Onry's first collaborations with producer Mr. Hill, another Oldominion member who would help shape a new sound for Seattle and Grayskul alike.

[14] The duo's music went from being released independently to being in the hands of Siddiq, the CEO of indie hip hop label Rhymesayers Entertainment.

[19] Later that year, he signed to Ceschi's indie label Fake Four Inc.[20] In 2013, Grayskul released their long awaited follow up album Zenith.

[21] In 2016, Onry Ozzborn released Duo, a solo album which included guest features on every track from artists such as Kimya Dawson, Rob Sonic and P.O.S, among others.

[23] In September 2018, Onry released Nervous Hvnd,[24] a solo album which included guest features from DJ Comfortable Kathy/vioLit, Ethos, and Swamburger.

In October 2018, Onry released a surprise mixtape THE RvTTLESNvKE MvRTINEZ MIXTvPE which included guest features from Iame and Scotty Del.