Mammoth is a colossal prehistoric creature from the anime series 'Genshi Shounen Ryuu' (Genesis Climber Ryuu). As a woolly mammoth, it plays a crucial role in the series, symbolizing the power and mystery of the ancient world. The mammoth is both a friend and protector to Ryuu, the protagonist, and his companions as they navigate through the dangers of the prehistoric landscape. Its strength and size make it an invaluable ally in battles against predators and environmental challenges, highlighting the bond between humans and nature.