In the book, 2001 A Space Odyssey, (my current read) Moon-Watcher is the leader of the last tribe of hominids in Central Africa around 3 million years ago.
Note: I don't think the Theory of Common Descent is the best explanation of reality, but it does make for a good story.
He is nearly five feet tall, hairy, and has two women and a cave. What cements his status as a local legend is the day he kills a leopard and impales the head on a stick. This act alone makes him ruler of the free world and the inventor of shish-kabob. Which brings me to my next topic-current world leaders.
My aunt sent me this picture of one world leader and I don't know what to make of it. I'll let you write the caption.