Jimmy Turner
From Tardis Wiki, the free Doctor Who reference
Jimmy Turner was a UNIT officer who served under Brigadier Lethbridge-Stewart as a major. (PDA: The Devil Goblins from Neptune But was promoted to captain during the Cybermen invasion of Earth. (DW: The Invasion)
Shortly after this, Jimmy married Isobel Watkins, and was posted to Sri Lanka. (MA: The Scales of Injustice)