"Doctor Who? What about Merlin?"

“Jimi Hendrix. He was here. Singer. If you can call him that. And...” He then spoke, slowly, dramatically, “Doctor Who!”
“Really,” I said.
“Oh yes!” He smiled smugly. “The Doctor Who people were always filming down here.”
Our guide obviously felt more comfortable with an alien space traveler than a big-haired rock star. We were not much interested in either. Frances was more interested in a big-haired magician.
“And Merlin? What about Merlin?” she asked, hopefully.
“Well, you know, these tunnels, they go deep, for miles they do. People have been lost, you know, and some of the caves have been boarded up,” he said, avoiding the question.
“Yes? And Merlin?”
“As for Merlin, well, that was a long time ago.”