[ he'd rather not talk about regeneration... especially not with his other incarnations being able to butt in. especially with Tenth's point in time being so close to his "death". ]

Eleven's good. Or Eleventh. The one in the leather's Ninth. The talky, porcupine-y one is Tenth.

We all go by the Doctor, though, so if you're in trouble and don't care--just call.

Don't listen to anyone called the Master, though.