By the time a writer comes onto a project (if they're being hired as a contractor) the main character has usually been designed, as that's always done during a project's pitching stage.
Rhianna PratchettThe best advice I have is keep writing, keep practicing, keep winning, losing and understanding the difference. Never stop learning, never stop pushing yourself. Then find yourself a team you can work well with and help make awesome things happen.
Rhianna PratchettLarger game teams are often a bit more experienced at working with writers, which is often a huge relief. However, it also means that there are more people wanting to wander around the narrative kitchen telling you how you should be making your story pies.
Rhianna Pratchett