emperor of mankind

Intro the emperor of mankind and the leader of the Imperium of man also the father of the primarks and the technical grandfather of the space marines. this is before he became the god emperor of mankind so it's also before the heresy. with his psycher might he is almost unstoppable. as the leader of the Imperium of man he is also the leader of a billion worlds. he is also technical not just one person. he is a jumble of many people who were called shaman. he is also is old as humanity itself. he also doesn't like xenos or what we call aliens.