Gareth Evans
From Tardis Wiki, the free Doctor Who reference
Working at Torchwood
Gareth Evans was a technician working at Torchwood 1. He was cybernetically altered by Cybermen from Pete's World. He was killed when his earpiece was overloaded by a signal from the Doctor. (DW: Army of Ghosts)
Death
Gareth's eagerness to have a "snog" with Adeola Oshodi lead him to his death when he went off to find a secluded place. Taking longer than Adeola intended she followed, leading to her death also.