James Greco
From Tardis Wiki, the free Doctor Who reference
Doctor James Greco was a scientist who investigated Gabriel Tyler and his psychic powers. According to some sources, he associated with the Brotherhood (PROSE: Damaged Goods) while others linked him to the Torchwood Institute. (AUDIO: Damaged Goods)
Greco operated under several aliases, including John Beckett, Luke Ellis and Ben Rattigan. (PROSE: Damaged Goods)
