Why don't you confer with Mr. Finnigan? As I recall, he has a particular proclivity for pyrotechnics.
J. K. RowlingBy the time she had interpreted Harry's dreams at the top of her voice (all of which, even the ones that involved eating porridge, apparently foretold a gruesome and early death), he was feeling much less sympathetic toward her.
J. K. RowlingMr. Moony presents his compliments to Professor Snape, and begs him to keep his abnormally large nose out of other people's business. Mr. Prongs agrees with Mr. Moony, and would like to add that Professor Snape is an ugly git. Mr. Padfoot would like to register his astonishment that an idiot like that ever became a professor. Mr. Wormtail bids Professor Snape good day, and advises him to wash his hair, the slimeball.
J. K. Rowling