Played by: Christopher Eccleston 2005
Biography: Before the new series, there was The Great Time War, The Time Lords vs. The Daleks fighting for the whole of creation. In the end, both factions were destroyed along with their worlds, leaving The Doctor the last of his kind.
Personality: After the war, he fell into a deep depression, until he met Rose. The two of them started a whole new journey, one that will discover that his arch enemies can never be truly gone.
Regeneration from The Parting of the Ways