Addams served as a plumber on Great Bend, before being picked up by Bill "Pearly" Bousquette for his SceeVee Corps. During their operation on Gurdlac, the Corps tripped a zerg trap, and were ambushed by a swarm of zerglings. Addams was killed in the ambush.
Bogdanove, Kal-El. "The Fightin' SceeVees." (May 30, 2013). Blizzard Entertainment. StarCraft Lore: The Fightin' SceeVees Accessed 2013-05-30