Setrakus Ra

"I am Setrákus Ra, supreme commander of the Mogadorian empire, engineer of the great expansion, beloved leader. This can be painless Samuel. You've chosen the wrong side, but I am nothing if not forgiving, tell me what I want to know and I'll set you free."

- Setrakus Ra Setrakus Ra is the main antagonist of the novel and film, ''I am Number Four. ''In the film, he is played by Kevin Durand.

Backstory
Setrakus Ra was once an elder of an alien race on a planet called Lorien. He and his friend Pittacus Lore become elders in part of council for their bravery in battle with another alien race from the planet, Mogadore. However, he was then removed from the council for preferring conquest over peace. Ever since then, he became the leader of the Mogadorians and was obsessed with conquering the galaxy.