David Morgan-Mar (also known as DangerMouse) is an Australian physicist, known for his webcomics and for creating several humorous esoteric programming languages. He is also the author of several GURPS roleplaying sourcebooks for Steve Jackson Games, as well as a regular contributor to Pyramid magazine. Morgan-Mar is a Ph.D. graduate from the University of Sydney, Australia, and has worked on camera, lens, and image processing projects at Canon.