Idris: The TARDIS, Idris:, Tardis
The Ood stands guard while Idris is confined.
The Doctor: "I've got nothing." Idris: "Oh my beautiful idiot. You have what you've always had. You've got me." (Season 6, Episode 4)
“Of course I was. I wanted to see the Universe so I stole a Time Lord and I ran away.” – Idris/The TARDIS