Frankie Howerd
From Tardis Wiki, the free Doctor Who reference
Frankie Howerd was a British actor who played the BBC television character Professor X in 1976. The role was also played by other actors at different times. (PROSE: No Future)
Rory Williams, while wearing a toga in ancient Greece, said he looked like Frankie Howerd's understudy. ([[COMIC: The Chains of Olympus)
Behind the scenes
Beryl Vertue — Terry Nation's agent, and Steven Moffat's mother-in-law — executive produced many of the real life Howerd's 1960s films.