Discover the terrifying history of the Entelodonts, often termed as 'Hell Pigs,' 'Killer Pigs,' or 'Terminator Pigs.' These colossal omnivores dominated for 21 million years, known for their massive heads and powerful jaws. They roamed the forests and floodplains of North America, Asia, and Europe, sharing the landscape with other giant prehistoric creatures of the Cenozoic Era until their extinction 16 million years ago.