No comedy would be complete without the Wacky Screwup Brother, the Zach Galifianakis in The Hangover-type who is there to throw a wrench in everything with some sort of stupid scheme (also see: Gob Bluth from Arrested Development). It's not so funny in real life.
Hollywood's most creative minds can't get past populating the place with planets that look a whole lot like Earth, populated by rapey aliens and Muppets. But real space is far, far stranger.
The fascinating thing about evolution is how it finds infinite ways for creatures to be badass. But equally amazing is how creatures find a way to survive and thrive even with laughable and obvious design defects.
Sometimes, vicious carnivores of the world take an appraising look at centuries of biological necessity, then turn their back on it and say, 'Screw that noise, let's be friends.'
If there's one thing in the world the food industry is dead set against, it's allowing you to actually maintain some level of control over what you eat.