However, his voice has the uncanny ability to persuade anyone into doing his bidding.

You see, as he talks he gives off a strange feeling of stress towards his target, aimed for their emotions, a feeling of pressure to complee a task that if not done, will make them feel inadequate.

He surrounds himself for protection with those he controls, as he is defenceless without them.

Might not sound like much, but to a superhero (or villain), where their place in society must be asserted: destructive.