Algy

Algy was a British Army officer who was with Captain Jack Harkness when the latter spotted Rose Tyler hanging on the mooring rope of a loose barrage balloon while a German air raid was under way in London Blitz on 20 January 1941. He had a relationship with Captain Jack. (TV: The Empty Child)

Later on duty at the Limehouse Green railway yard where the crashed Chula ambulance was stored, he became infected by the gas-mask illness. He was eventually cured by the Chula nanogenes. (TV: The Doctor Dances)