CaptchArt (draw your captcha) is one of the best memes around, since it turns those annoying captcha codes into something we all can laugh at. It seems this originated in Something Awful forums and became popular through 4chan. These days there are several sites collecting user-submitted captcha comics. Here are some of the top captcha drawings, some of these are really creative:

And some more captcha art:

Via CAPTCHArt.com