Name: Cassie Winthrop
Age: 119 (looks 19-20ish)
Gender: Female
Species: Half-human, half-TimeLord
Appearance: (Regeneration #1)  Brown hair, blue eyes, light skin, 5'6". (Regeneration #2) Black curly hair, dark skin, brown eyes, 5'1".
(Regeneration #3) Strawberry blond hair, blue eyes, 5'5".

Parents: The Master, Elizabeth Winthrop.
Allies: The Doctor, Captain Jack, Martha Jones, Torchwood.
Enemies: The Master, Weeping Angels, Daleks, Cybermen.
Love interest: The Doctor.

Personality: Straight to the point, stubborn, caring, accepting.
Worst fear: All of the best things coming to an end.
Backstory: Born in 2010, she was taken back in time to 1898 and she grew up in an orphanage in London. In 2009, Torchwood discovered her and she started working for them.

Interests: Time travel, paradoxes, history, slang throughout the ages.