The Vanish Brothers are mercenaries hired by Duke Everlue and 7 years later, bandits, as bodyguards.
They are nameless, and their guild is the Southern wolves.
The Vanish Brothers are created by Hiro Mashima who have no information regarding any inspiration used to create them. They first appear in chapter 5 of volume 2 and episode 3.
They undergo a time skip change. The younger brother has a traditional Chinese hair style, and now, he has grown more hair while the older brother did not change much.