Who is the 720-year old with two hearts from the planet Gallifrey?
Gallifrey is a fictional planet in the long-running British science fiction television series Doctor Who and is the homeworld of the the Doctor and the Time Lords. Dr Who has two hearts and the ability to transform himself when his body becomes old or damaged — He was 720 years old, he travelled time in the Tardis, a machine (which looked like a police phone box on the outside) and he was the owner of two hearts.
