Ok, the convoluted answer to penguins: Firefly was writtne by Josh Whedon, aka Wesley Cruser. The thing is, he's a big geek in real life. A linux geek at that, cruises slastdot and everything. Subconciously you knew this, and in your dream that translates in to penguins, the mascot of linux. And that's not even six degrees! Give me another one!