“What a pathetic thing to tweet. I hope you treat that young girl in your Twitter banner photo with a bit more respect,” Dan wrote.
“You’ve been reported to Twitter. Have a nice day.”
The savage response seemed to put the troll in their place, while other fans weighed in on the debacle.
Supporting the BBC host, one viewer wrote: “You have to marvel at the pure self centred stupidity where he would think, I know, I’ll tweet this as it may get me a like….”