Severus Snape
The Angelica Button series of books are a parody of the "Harry Potter" franchise. Greystash is a parody of Albus Dumbledore. The Malicious Krubb is a parody of both Lucius Malfoy and Severus Snape due to his resemblance to the former's looks, and the fact that he killed the Dumbledore-esque figure, like the latter. The character Lord Evilton is a parody of Lord Voldemort.