Pyromaniac
The Century Dictionary and Cyclopedia
Of, pertaining to, characterized by, or affected with pyromania.
noun.
A person possessed of a mania or irresistible impulse to burn things.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A person suffering from
pyromania
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a person with a mania for setting things on fire
Word Usage
"The pyromaniac is seriously one creepy dude, especially with all his puns and jests."