The International Astronomical Union lists "official" Martian placenames. The database of names is here. One example:
Code:


Roddenberry       49.8S    4.6W      141.0  NA  AM  I2365   MC26       5  1994    0  AA  Gene; American engineer,         

                                                                                         television producer                

                                                                                         (1921-1991).

This rock is named 'Barnacle Bill'

Anybody have the lat/lon for Stimpy, Yogi and Scooby Doo?

P.S. I am still amazed that nobody has claimed that NASA pulled the image feed from Spirit once they saw the first "Bigfoot" wander into view.