From Compsci.ca Wiki
Who is Tony?
What's with oniTony?
oniTony is Tony's slightly mischievous comic character that was adapted as his primary avatar.
Oni (鬼) are fabulous creatures from Japanese folklore, similar to Western demons or ogres. They are popular characters in Japanese art, literature, and theatre.
Tony is also the artist behind the CompSci Comic site that is curently down. His comics range on their subject matter but mostly focus on the lengends of the CompSci.ca world. They also are used as several users' avatars around the site and have created many hours of story telling about the gods and devils of CompSci.ca.
"[prefering Adobe Photoshop over Illustrator] that's like saying that I prefer a blender over a toaster because blender can cut stuff up into little pieces"