P Cushion

In Earth-33⅓, whilst in the Shepherd's Bush Café for the DWM 500 party, P Cushion asked the First Doctor to think how he felt after he expressed confusion over the Twelfth Doctor's claims that he was a Time Lord from Gallifrey. (COMIC: Doctor Whos?)

Behind the scenes
This character is a clear reference to Peter Cushing's Dr. Who.