Gill (The Vault of Secrets)

From Tardis Wiki, the free Doctor Who reference

Gill was a girl in 21st century London. Her body was taken over by Androvax so he could break into the Vault to save his species from extinction. He later left her body, freeing her but leaving her unconscious. Mister Dread then wiped her memory of Androvax. (TV: The Vault of Secrets)