Ever hear about the legendary Spiral Warriors who piloted GURREN LAGANN?! No? That's okay, cause these ain't them, these just happen to be people who look like them, have their powers, and happen to fight god-like entities for fun!
A Hitch Hiker ends up in Equestria after partying hard on Earth with is Human pals, now he has to deal with making pony pals on a predominately pre-engineered-flight capable planet.