Battle Beasts FTW! I have quite a nice collection!
Admin’s Note: Not many people know that this toy line was originally intended as an unlicensed spin-off of Transformers. The Japanese name of the toy-line was “Beastformers”, which was kinda silly cause they didn’t actually transform into anything. My younger brother used to collect these, I had a few myself. They rocked.
And HERE’s a great price/rarity guide for them.