I actually had the same idea, so that works out perfectly. And it's fine, sounds like you enjoyed yourself. I spent most of mine working on Youtube stuff, soooo....
All four character sheets are in this doc
https://docs.google.com/document/d/1_2FB8agguFZG0eOcC0R9Ekyp_tHE0tMbhdlQSTXRudQ Each one has a category for color, basic appearance, weapon of choice, and a passage for the personality (among an assortment of other trivia). All of which I think has the potential to be helpful.
I'll let you decide which one you want to do first. Let me know when you get the chance, and I'll send you a specific idea with some references. And, thanks a ton. If you have any other questions or problems, please don't hesitate to tell me.