Vocalist, guitarist, and songwriter from the bands Biffy Clyro and Marmaduke Duke.
He attended University of Glasgow, studying electronics with music.
He had a tattoo on his chest that read, "God Only Knows What I'd Be Without You," an allusion to a Beach Boys song.
He married English teacher Francesca Neil on January 5, 2008.
X Factor winner Matt Cardle covered Biffy Clyro's hit "Many of Horror" in 2010.