1963-present, loads of flipping series, spin-offs, books, lunchboxes, toys, etc
Mentioned in Season 1, Episode 9; Season 3, Episode 2
Time Travelling, scarf-loving alien in a telephone box. Neither Hywel nor Jamie have a particular passion for the Doctor no matter how huge it is worldwide.
We realise this isn't particularly insightful, but we're just leaving it here in case you want to send us a lengthy email about the good Dr.