If you want to be the leader of a pack of peaceful Endermen, follow these steps! (Requires creative mode, or if ur an admin on a server)

1. Make a place where Endermen can't reach you. (elevated is preferred) 2. Spawn lots of Endermen (Named is preferred) 3. Go into survival, standing on the anti-Endermen spot, and look at all of them. 4. Switch into creative and the Endermen will peacefully teleport near you and follow around. Once they are peaceful they can't be aggro ed again (from my experiences) Have Fun!