Certainly one could encounter worse things in the lake than a naked Nymphadora Tonks, of course.

Indeed? And what might they be?

Ow, it said, as it went.

I'm sure it probably did! - Poor, confused creature, to be summoned into creation and then out of it again.

"Catch me letting a house-elf near me with a razor," Neville said.

Ohh, sarcastic Neville! - I like!