Unless it wasn't a student.

A sorry lot, this, Hagrid.

A bezoar is a stone taken from the stomach of a goat and it will save you from most poisons.

Red hair and a hand-me-down robe? You must be a Weasley.

Look, everyone. Weasley's got himself a Howler.

Look, Potter. You've got yourself a girlfriend.

- Have a tea, if you like. - No, Hagrid.

That even though we've got a fight ahead of us...

- Norbert? - Yeah, well, he's gotta have a name, don't he?

And I have a few last-minute points to award.

Third year, he fought off about a hundred Dementors at once.

I expect there's a cell in Azkaban with your name on it.

The last time the Chamber of Secrets was opened, a Mudblood died.

- And a nice big box for Ron. - Big box for you. And...

...gives a student the right to walk about the school at night.

That's unicorn blood, that is. I found one dead a few weeks ago.

We don't even know this Tom Riddle. He sounds like a dirty, rotten snitch.

So it's only a matter of time before one of them is killed this time.

There was a time detention would find you hanging by your thumbs in the dungeons.

Hogwarts teacher or not, I know a spell when I see one. I've read all about them.