The word 'legend' is thrown around a lot these days, but few will contest Ian McKellen's claim to the title (he is already a Sir, after all, so he needs something). Not only is he a thespian of quite some note, but he also seems like legitimately great craic.

Students at Chew Valley School discovered that first-hand when the actor paid a visit to their school. With a huge crowd gathered outside to see him, McKellen went to the window and bellowed some exam advice in his finest Gandalf voice.

You can probably guess what he said (hint: it is not "run, you fools"), but it is the delivery that makes this a truly epic moment: