Challenge Accepted is one of the more interesting rageguy-inspired memes. It’s a MS Paint drawing of a stickman who will accept any sort of challenge from any person. Some of these meme images are really funny and / or badass. Check out some of the best Challenge Accepted drawings ever created below:

I used to do this all the time back when I was in school:

And check out some moar Challenge Accepted pics:

According to KnowYourMeme, this fad started out on Bungie.net forums, although those guys weren’t using Paint to actually draw it back then. Now it can be found all over the internet, for example, in this tumblr blog.