Gaston

Gaston is the butler of Phantom

The faithful butler
Gaston helps Phantom Level up with an experience potion from about lv 10 to 20. At lv 200, he orders Phantom a car mount.

The old butler is younger than Phantom
How can Phantom be older than the butler Gaston? Phantom was one of the five heroes and when he was cursed for 5 centuries, his youth was preserved and Phantom is forethere older than Gaston and Gaston is younger than Phantom.