Welcome, metashadow! Glad to see that my invitations work some of the time, at least! I hope you enjoy your stay at humble corner of the internet, and have lots of fun around here~ To answer your question, it really depends on the Roleplay. Typically, people are looking for characters of your own creation, though there are exceptions to these cases in some RPs... though none that I can really think of off the top of my head, unfortunately. To make a long answer short, mainly fan characters are played here, but feel free to make an RP based on video game characters if you like~ Once again, welcome!