The new pictures of Pluto and its moon Charon from the New Horizons' fly-by have been a vast improvement on the previous look at the dwarf planet. Now, with such hi-res images, NASA scientists have a detailed look at the geological features of both celestial bodies. These features need naming, and while Pluto has it's sahre nerdy namesakes cough Cthulhu Regio cough, Charon is really where the geeky planetary scientists let their freak flags fly.
Here's a breakdown of all the Geek references NASA scientists chose in naming the various chasms and mountains of Charon.
The IAU tends to favor names that have been around for a while, but 'Star Trek' is almost 50 years old now and 'Star Wars' is about 40 years old."