New to the site, here are some conversions.

Wow! Really interesting wing configurations, great work!

Paint the bottom one electric blue and it would look like a Zerg.

Kinda looks a bit spidery now. If it were blue and red it would fit seemlessly into Sony's next Spiderman remake/ redo/ rehash/ regurgitation of Spiderman.

I like the first one the best. Very menacing!

Number one is very Babylon 5, cool.