The ability of a witch or wizard to vanish from one place and appear in another almost instantly. Leader of the spiders who live in the Forbidden Forest. Dark wizard catcher. Can kill with its stare. Position on Quidditch team.
Beaters keep Bludgers away from their team.
A Quidditch ball that flies around the field trying to knock players off their brooms. Magical plants that look like slugs. Their pus has healing qualities, but can also cause painful blisters when it comes directly in contact with skin. Creamy snack that turns those who eat it into canaries. Invention of Fred and George Weasley.