We used to live a life so cloistered Where all of us were foisted With stuffy robes and endless regulations Now here he is again Both enemy and friend The same old fool in every regeneration I'm never one to advocate being boring 'Cos it's not polite to leave a lady snoring But some things I won't change, not even if I could Oh, I have not turned good You humans are misguided And oh so narrow-minded The doctor gives you more than your due credit Get back to your souffle And don't get in my way I wouldn't have you here if I could help it He's lying if he says I'm not his greatest rival (Admittedly the daleks are more genocidal,) But some things I won't change, not even if I could Oh, I have not turned good I'll always find it thrilling The teasing and the killing There's nothing you can do to ever stop me Oh clara, don't you know? It's not you who runs the show You are nothing but a puppy on a lead Please donnae be fooled by my sweet appearance 'Cos I will not tolerate your interference Some things I won't change, not even if I could Oh, I have not turned good I'm m-m-m-m-missy Causing m-m-m-m-mischief Not dead. Surprise! Looks like I had you fooled So what if I try to kill him? He tries to kill me too Is that not what best friends do? So it might be true that I'm a bit eccentric And my motivation is the doctor's friendship But some things I won't change, not even if I could Oh, I have not turned good