I liked his shirt. Reminded me of those books I read when I was a kid. I remember a blue guy and he was my favorite.
Just looked into it. It was either Mr Worry Mr Grumpy or Mr Mean. Goddamn, those books shaped my personality!
http://www.bing.com/images/search?q=koolaid+man&qpvt=koolaid+man&FORM=Z7FD1 You honestly do not know who the koolaid guy is? I never knew about Mr. "Enter random adjective" so... we are even. http://www.bing.com/images/search?q=koolaid+man&qpvt=koolaid+man&FORM=Z7FD1
I know what the koolaid man is. I just don't see how he shaped my personality? I think he's a pretty happy guy.