Protohumans refers to the earliest human-like creatures that existed before the appearance of Homo sapiens. There are several synonyms for Protohumans, such as early humans, prehistoric humans, hominids, and ancestral humans. Hominids include species that are closely related to humans, such as gorillas, orangutans, and chimpanzees. Ancestral humans refer to the ancestors of modern humans that lived millions of years ago, such as Lucy and the first members of the genus Homo. The term prehistoric humans encompasses all early humans before the invention of writing. These synonyms emphasize the evolutionary origins of humans and help us to understand our place in the natural world.