What about instead of a 'Firefly' Alien model a 'Gasbag' type creature?
It would be simpler to model, and have far fewer things to animate?
It would look kind of like a 'man-O-war' jellyfish or whatnot.
A large gas bladder at the top, with deadly stinger tenatcles at the bottom.
Perhaps it should also have a Grappling style tentacle attack?
If its primary weapon is the auto-hit close range stingers, then it needs something ranged to get those jetpackers, right?
Anyone here see the 1990's remake of 'The Puppetmasters', THAT is what I'm talking about.