American Thugs

The Three Brothers was a group of 3 assassins from the USA, tasked with hunting down Denji’s heart.

History
Like their title suggests, they are three related brothers, consisted of the unnamed eldest brother, Joey being the middle brother and Aldo being the youngest brother. Due to the incident with the gun devil that killed their parents and their grandmother, they ended up becoming an assassin as their way of living. They are very confident, perceiving themselves as immortals.