Tina (Evacuation Earth)

Tina Lockheart was a human who worked on the SS Lucy Gray, when the last humans left Earth and tried to escape the solar flares.

The Eleventh Doctor and Amy Pond helped her to repair the navigation map of the space ship and to plan a route for the ship. (GAME: Evacuation Earth)

When the Doctor and Amy came back to the SS Lucy Gray centuries later, the Doctor saw a holographic photo of Tina, revealing that her surname was Lockheart. The photos were in a hallway together with a statue of Amy and the Doctor. (GAME: Return to Earth)