Question: who was the lighthouse keeper in fraggle rock?
Answer: The lighthouse keeper is The Captain (played by Fulton Mackay), a retired sailor who lives with his faithful dog Sprocket. In the third season following the death of Fulton Mackay, the role was played by John Gordon Sinclair as P.K. (the Captain's nephew) and in the fourth Simon O'Brien as B.J. (the Captain's son).