Philosopher’s Stone is by far the funniest. (When viewed with Rifftrax.)
If Peeves counts I would say NO. As a Ravenclaw I’m almost pushed to say the Grey Lady, but I think most would love to say Sir Nicholas!
Returning to face his scariest tormentor (Snape) year after year.
I think Septumsempura is the best fighting spell because it’s less-than-lethal and isn’t unforgivable, but hella devastating.
Hermione, but only insomuch as she is his great female friend. They probably should’ve gotten married but I think the story wouldn’t have allowed it to work out.
Harry still belongs w/ Ginny, though.