Already is. When Q is hanging around, he can sometimes zap you into an 8472 for a time. Which means, yes, last christmas, there were ice skating 8472's on the ice lake.
I think the big problem would be uniforms. The designers would have to modify every uniform, or at least some, to make it work.
(On a side crazy side thought...does this mean the Undine are running around naked all the time?...No wonder they are so ticked off in colony invasion)
Edoans might have a better chance showing up as BOFFS and being made semi customizable, or non-customizable like the Breen and Remen, because of the potential cost to make them graphically.