Question: Who is best known for having hosted a variety of shows on BBC Radio 1 and has been host of "The Radio 1 Breakfast Show" since 2012, he also took over Chris Moyles, the show's longest-serving presenter to date ?
Sentence (from "The Radio 1 Breakfast Show"): Since 24 September 2012 it has been hosted by Nick Grimshaw, who took over from Chris Moyles, the show's longest-serving presenter to date.
Relevant evidence: Yes