The Ace

In real life, it always feels like there's a million Aces who you'll never beat.

The one who's good at everything they do. They never fail (hard), are always a few steps ahead of their enemies, and are never The Hero because that wouldn't be any fun. They might look down upon our main Hero, maybe even separate themselves from Hero and their team, but they mostly stay by their side (unless they give their "You Suck" Speech to Hero).