Rubeus Remus Potter--- I don't like Remus for Albus because he already had Teddy, but I like Rubeus a lot better than Severus, I mean come on Hagrid is one of the few people who was always there for Harry.
Part Harry Potter as the Defense Against the Dark Arts teacher He would've been great as the DADA teacher, but Harry got it into his young head that auror would be the job of his dreams, and didn't think to change it.
But the slytherin is determined to get the answer by any way he/she can. Not necessarily by cheating. He/she could be determined enough to ask for the answer, find the answer, or know the answer. Slytherin doesn't mean cheater.