he doesn't really do things personally since he knows that eventually all things will be destroyed and become part of his realm. (the outer void)
entropy is inevitable after all.
he does however employ henchmen/champions, for instance he chose to empower maelstrom so he could hasten the process (he created a massive black hole that was threatening the universe. and deathurge was his longest running envoy who also was apparently as indestructible as entropy is as well, he also (and currently) uses doorman.