Boros-sama

Race: Alien
Height: 240 cm (7'10½")
Occupation: Space Pirate
Disaster Level: Dragon (or higher)

Boros was the leader of the Dark Matter Thieves, a group of alien invaders responsible for the destruction of A-City. Like Saitama, Boros faced a self-imposed existential crisis, having become so powerful that no battle thrilled him.

Spoiler