Gully (In the Blood)

Gully was an octopoid gangster who was at Calibris searching for and using the Time Reaver. Finding out that Cora was in possession of Time Reaver guns, he abducted her and tried to acquire them. (AUDIO: Time Reaver)

The Tenth Doctor and Donna Noble encountered Gully again in the South American jungle, where he was using Rempaths to infect the human race. (PROSE: In the Blood)