Kate Yates

Kate Yates was human. She was hit by a car in 2007 and her Dalek Factor was later activated. When this happened, her hair changed colour from red to blond, and she gain enhanced strength and intelligence. She however gained a strong hatred of humans and made her own Dalek weapons. Her first victim was a burglar who she later claimed to have exterminated. She seemed to not even able to remember being human. This was shown when she blatently denied her humanity when a armed robber broke into her house. She said he was "quickly exterminated". The robber even called her a traitor to her race before she shot him with an improvised dalek gun. She was also able to control humans as she brainwashed her sister and her friends to serve her new Dalek empire. She even decided to wipe her own memory of humanity as she viewed it interfiered with her potential. Despite outward appearences, her mindset made a force of battle Daleks recognize her as one of them. (QR: I am a Dalek)