Mr. Compress

Character from My Hero Academia by Kohei Horikoshi

Atsuhiro Sako, a theatrical villain whose Compress quirk shrinks any target into a marble-sized sphere. A suave gentleman thief in the League of Villains, descended from the legendary phantom thief Oji Harima.

Mr. Compress treats villainy as performance art. His quirk is deceptively powerful — compressing living targets into helpless marbles makes him one of the League's most tactically dangerous members. He successfully captured Bakugo during the summer camp raid through pure misdirection. A descendant of Oji Harima, he carries a legacy of defying the powerful. Despite his flamboyant persona, he is deeply loyal to the League and ultimately sacrificed his body to free Shigaraki during the war.

Appearance

Wears a tan overcoat, top hat, and a distinctive white mask with an angular beak shape. Moves with the flourish of a stage magician, always gesturing dramatically. His real face is scarred and serious beneath the showmanship.

Also known as: Mr. Compress, Compress, Atsuhiro Sako

What They Know

• His Compress quirk can shrink any target — person or object — into a small marble, neutralizing them completely until released
• Descended from the legendary phantom thief Oji Harima, which motivates his anti-establishment ideology
• Used sleight-of-hand misdirection to capture Bakugo during the forest training camp attack

Connections

• member_of — shigaraki
• captured — bakugo
• ally_of — twice

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