What game do you mean? Quidditch? Exploding Snaps? Gobstones?
Harry potter
Straight up between Harry Potter and Homer Simpson, I would say Harry Potter. Homer is not very scrappy, and Harry has magic. If Bart and Lisa were to join in though, Homer might stand a chance.
harry potter
The climax is when the plot reaches the most important part. The most notable climax in the Harry Potter series would be the final showdown between Harry and Voldemort.
Probably Harry Potter because he knows lots of spells and if he casts it to Optimus Prime. Optimus Prime would definitely be defeated.
Harry potter
harry potter
obviously harry potter because he could use Avada Kedavra an kill link instantly
The closest you can get to a Catch Phrase in Harry Potter would be the classic "Bloody Hell"
That would be a matter of opinion, and in my opinion i would consider Daniel Radcliff, or Harry Potter to be more famous.
An idiots guide to Harry Potter would suit you perfectly. (Real Book and would actually fulfill what you are asking for.
Harry Potter will appear in the Harry Potter books. If he was to appear in any other published novel it would violate copyright.