Kryptonian

Kryptonians are a species of mammal part of their own group of mammals, not hominids, apes, nor any primates, despites movies, series, etc about them, but part of a group of mammals known as Aswanidae. They are very peaceful and gentle towards all sapient species and beings, except to vampires due to bloody conflicts with them. Unlike humans, Kryptonians are immune to obesity and are not effected by no exercising so they don't get weaker nor lose their muscles. They are omnivores that feed on the same food as many other sapient species.