Guthrie (Cat's Cradle: Warhead)
From Tardis Wiki, the free Doctor Who reference
Guthrie was a teenage boy who resided in an unspecified American city. In 2007 Sean,Warren and he assisted Calvin Palmer in capturing Vincent Wheaton and keeping guard over him on a Turkish island until he was freed by Ace and Kurdish mercenaries. (NA: Cat's Cradle: Warhead)