If you read Homestuck and have seen the latest updates, you know who this is, but for those who are behind, spoilers, this is Jack Noir after Bec's been prototyped (thus gaining his appearance and becoming, well, a furry, let's be honest). I can't really go into detail about what that means for the uninitiated since there's a LOT of info and backstory, so you'll just have to go read Homestuck (or cheat by reading a wiki about the character).
But, man, do I ever haaaaate this audacious jerkface... although I also can't help but love him for his badassness (also I'm always a sucker for demonic black canines). I wonder if this is how some people feel about Joel? Hm. Well, enjoy blood splatter brush abuse and generic background!