Lolita

From Tardis Wiki, the free Doctor Who reference

Lolita was a manipulative, antagonistic female evolved type 45 TARDIS that previously belonged to the Master (CP: Toy Story). Lolita may also have been infected by the Yssgaroth. (FP: The Book of the War)

Lolita created House Lolita to oppose Faction Paradox in the events leading up to the the War. (BBV: The Eleven Day Empire)

Lolita "ate" the Master, or one of his clones during the Second War in Heaven. (FP: The Book of the War)