High Quality Content by WIKIPEDIA articles! Jeffrey John "Jeff" Hanneman (born January 31, 1964) is a rhythm/lead guitarist and founding member of the American thrash metal band Slayer. Hanneman grew up in Los Angeles in a family of war veterans, and his fascination with warfare is attributed to his upbringing. His interest in the subject of war pertains to much of his lyrical material including the song "Angel of Death".