What better way to quench your summer thirst than with Optimus Prime? I'd feel bad digging in, though. There doesn't seem to be much info about the creator of this food art, so if it's you, step up and own your awesomeness!
http://www.obviouswinner.com/obvwin/2011/7/29/the-optimus-prime-watermelon-carving.html via Geekologie