O'Neill was a member of indie-rock band The Inbreds in the 1990s before disbanding the group and embarking on a solo career.
He was involved as both sound engineer and actor on the popular Canadian television series Trailer Park Boys.
O'Neill was a founding member in the 1990s of the Canadian indie-rock band The Inbreds along with the drummer Dave Ullrich.
[2] In 2007, he joined the cast of Trailer Park Boys, appearing in several episodes of the hit series' seventh season, playing the hot-tempered Thomas Collins.
The album Colours, a collaboration with Devon Sproule, was released on September 23, 2013, on Tin Angel Records.