Creature stuff

I've been sitting on these forever, just too lazy to upload to DA. Basically just some attempts to make alien or weird creatures/monsters, what ever. The topmost creature looked very different in my head... on paper it kind of looks like "What if King Ghidorah was designed by the people who made the Avatar movie?" there's some tripod-creature experiments but I don't think any of them worked too well. Think there's anything that might be a good base to start with?