Oliver Peck & Greg Christian (Tattooer) | What In The Duck Podcast Ep. 32 #oliverpeck #gregchristian

Greg Christian former bassist of Testament | BTS | Heavy Metal Uncaged

TESTAMENT - Greg Christian / Making of: DARK ROOTS OF EARTH (OFFICIAL BEHIND THE SCENES)

Trinity Fallen ex Testament bassist Greg Christian full set live in Sacramento, California 03/24/17

Greg Christian - Days of the Debacalypse

Testament's Greg Christian sound check (11/6/11) @ The Fillmore - Silver Spring, MD

Donny Hillier of Trauma interviewed in Orangevale, California