Quote Originally Posted by Kirobaito View Post
(SPOILER)Making a horcrux requires a ton of spells. If Harry was a Horcrux, Voldemort would have WANTED him to be one, and it would be by no accident. If Harry is a horcrux, then Rowling has a lot of explaining to do.
(SPOILER)Didn't Dumbledore say that Harry wasn't a Horcrux? Voldemort was one Horcrux short of his target when he went to kill Harry and his parents. His intention was to make Harry into a Horcrux, but Avada Kedavra backfired and Voldemort failed.

When he was in Albania and met the snake Nagini, he make her into his final Horcrux.