The thing to remember about Captain Jack is, that no matter how may inaccuracies your costume has, as long as you have fun with it, people will always recognize you.
You've commented on my costume a few times. My costume has a list of inaccuracies as long as my leg, yet people still love it.
In truth, as long as you've got the general idea down, people don't notice the inaccuracies as much as we might whilst we wear it, savvy?
My Limit Break involves a Moose, the demon Baphomet, and a Kuiper Belt item. It takes four hours and you can't skip the cutscenes.