Hammerhead was formed in Moorhead, Minnesota in the early 1990s, with members Paul Erickson, Jeff Mooridian Jr. and Paul Sanders, later moving to Minneapolis.[1] The band released extensively through Amphetamine Reptile Records. Their major breakthrough album Duh the Big City[2][3] garnered them critical acclaim, however after its release Paul Sanders left the group. The remaining members went on to form Vaz after experimenting with other line-ups.[4][5]
In 2010 the band reunited and released an EP of new material, Memory Hole EP, the following year.[6] In 2014 they released a new EP, Global Depression, and in August 2015 they published New Directionz, their first full-length album since regrouping in 2010.