Career
He is best known for being the singer for the melodic hardcore band Strike Anywhere. Barnett has been the vocalist and lyricist for the band since its formation in 1999. He was also the vocalist and primary lyricist for the band Inquisition until its disbanding in 1996.
Inquisition reformed for a three show reunion event in May 2007.
Thomas is a strong supporter for animal rights and is vegan.