Paterson (Survival)

Sergeant Paterson was a man who worked for the British military. He was training teenagers how to survive in dangerous situations. In Perivale he met the Seventh Doctor and his companion Ace. He had reports on the Doctor and encountered a Black Cat when he tried to apprehend the Doctor but he met a Cheetah Person on a Horse and he was teleported to the Cheetah World where he met two of his Pupils and one girl. He escaped the planet with the Doctor's help but one of his pupils that he met killed him with The Master's help.