I was just wondering if we had a full list to hand anywhere at all. :)
To my knowledge no. There might be a blog about this in the future, but you can already get an idea from the previous blogs.
So far line infantry units and characters using artillery tools and musicians have been shown
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(https://www.fsegames.eu/images/devblogbanner35.jpg)
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(https://www.fsegames.eu/images/beards1.jpg)
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(https://www.fsegames.eu/images/20thmaineblog3t.jpg)
you can always ask them to provide a list on their Discord (https://discordapp.com/invite/5AuuBtG) Server