Question: Who is the Scottish actor and author that appeared on "Laugh??? I Nearly Paid My Licence Fee" and in the "Harry Potter" films?
Sentence (from "Fantastic Beasts and Where to Find Them"): It includes several notes inside it supposedly handwritten by Harry, Ron Weasley, and Hermione Granger, detailing their own experiences with some of the beasts described, and including in-jokes relating to the original series.
Relevant evidence: No