From the Kickstarter page
https://www.kickstarter.com/projects/1949863330/dual-universe-civilization-building-sci-fi-mmorpg/posts/1697182
From the FAQ
https://board.dualthegame.com/index.php?/topic/10110-kickstarter-ama-event-second-part/
So I'm not quite sure, but if the KS page is correct and are throwing out character or celebrity names then I'm guessing there'll be a lot of re-submitting needed.
Or they're not, but you'll be miffed if they allow them after stating they won't and you chose something else.