Steampunk isn't really my thing, and I'm worried I'll prioritize the Epic BB (once it starts) to the detriment of Misthaven.
Even so, I did have an idea for a character: a steam-driven golem/robot made of brass (or copper or something) unearthed from a desert. Some time after being taken to a shop, getting cleaned up slighly and being 'fed' some coal, it 'wakes' up. Turns out that it's conscious and can think and talk, although it doesn't know very much of the word around it yet.
Problem is that it doesn't fit the guidelines at all. It's none of the allowed races and there's no real way that a creature like that could exist without some sort of ancient magic animating it. However, if you're desparate for characters (and can accept that I might not post quite as much in Misthaven as in the Epic BB) and it's not far too out-there, I could post up a draft.