Board Thread:Fanon Canon - Espada Applications/@comment-24089695-20141129024843/@comment-3403804-20141129035017

It's likely that the current leader of the Espada, and the Ruler of Hueco Mundo is Grimmjow. I don't think he'd care much either way, if he swore allegiance to Grimmjow he'd just let him in after he proved he was strong enough for an Espada position.