Ian Fraser Kilmister, better known as Lemmy Kilmister or simply Lemmy, was a British musician. He was the founder, lead singer, bassist and primary songwriter of the rock band Motörhead, of which he was the only continuous member, and a member of Hawkwind from 1971 to 1975.

Motörhead were an English rock band formed in London in 1975 by bassist and lead vocalist Lemmy Kilmister, guitarist Larry Wallis and drummer Lucas Fox. Lemmy was also the primary songwriter and only constant member. The band are often considered a precursor to the new wave of British heavy metal, which re-energised heavy metal in the late 1970s and early 1980s. Though several guitarists and drummers have played in Motörhead, most of their best-selling albums and singles feature drummer Phil "Philthy Animal" Taylor and guitarist "Fast" Eddie Clarke.