Classification: Mutated human, Giant
Threat level: Demon+, likely higher
Powers and abilities: Superhuman physical characters.
Physical strength: At least city (can destroy cities with his blows), likely higher
Destructive capacity: At least city, likely higher (according to ONE if Saitama hadn't of intervened, Beefcake would of been reclassified as a Dragon level threat.)
Durability: At least city, likely higher
Speed: At least hypersonic (via virtue of size and scaling), likely much higher.
Stamina: Likely average. Got tired after an onslaught of hits on Saitama, much like a normal human would.
Intelligence: Low. A brute with very low intellect.
Standard equipment: None, although his brother accompanied him before dying as he was the brains behind their plans.