First Hoshikage

The, was the founder of Hoshigakure. Two hundred years before the start of the series he found a "fallen star" (a meteor), with mystical powers. Once he discovered this, he founded the Land of Bears in hopes to make well renowned shinobi and gain the title for a great hidden village. Unfortunately, he didn't know of the side effects of the star training and people started to die from overpowering chakra that imploded in their bodies.