Holomanga is my player character for any sci-fi roleplaying game I find on this wiki. If you want a storyline to go with him, then:
Holomanga was born in the year 2138 on Mars (which was then partially claimed by the U.S.E.). By then terraforming had not yet started so he lived his entire life either in a habitation module or in an EVA suit.
Fairly recently (2165), he became trained to become an astronaut, and so far has made three spacecraft flights out of Mars' atmosphere (to Phobos and Deimos, respectively). He was also part of the second manned mission to Titan, and is currently there.
On Titan, a teleporter was prepared to take him back to mars, however it failed and braught him to Gliese 581 d