His Eyes Were Raging That Scraggly Beast Riddle

Riddle: His eyes were raging, that scraggly beast. His lips were bursting, with rows of angry teeth. Upon his back a razor was found. It was a fearsome battle we fought, my life €“ or his, one would be bought. And when we were through, and death chilled the air, we cut out his heart, and ate it with flair.

Answer: Boar