Augustus Oduya
From Tardis Wiki, the free Doctor Who reference
Colonel Oduya, Who works for UNIT. He meets with civil servant John Frobisher and shows him pictures of children to which have stopped all over the world and announce suspicions of an alien invasion (The 456). He correctly deduced that if UNIT had pieced the situation together, then Torchwood also must have.
He witness the 456 coming to Earth. He also wants UNIT to be involved in the 456 incident.