Ian Bavitz, better known by his stage name Aesop Rock, is an American hip-hop recording artist and producer residing in Portland, Oregon. He was at the forefront of the new wave of underground and alternative hip-hop acts that emerged during the late 1990s and early 2000s. Aesop Rock was signed to Definitive Jux until El-P put the label on hiatus in 2010. Aesop Rock’s solo discography includes Labor Days (2001), Bazooka Tooth (2003) and None Shall Pass (2007). An analysis of Aesop Rock’s lyrics found that he has the largest vocabulary in hip-hop music. He is a member of the groups The Weathermen, Hail Mary Mallon (with Rob Sonic & DJ Big Wiz), The Uncluded (with Kimya Dawson) and Two of Every Animal (with Cage). Aesop Rock was born on June 5, 1976.