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UA Academy is the most prestigious educational institution in Japan for those who want to become a professional hero. (Director Nezu)

There are heroes, thieves and ordinary people in this world. Ordinary people are more often without quirks, quirks appear at the age of 3 or 4, a kind of superpower, not all people with quirks can become heroes.

Nomu are individuals whose bodies have been radically modified in the laboratory of Dr. Kyudai Garaki (aka Ujiro) at the request of All For One. They are created from the bodies of dead people or criminals: their brains are suppressed or destroyed to rob them of their will, and their bodies are enhanced and imbued with multiple Quirks. The result is mindless, yet extremely powerful "super soldiers" who act only on command. All For One plays a key role in their creation, imbuing them with stolen Quirks.
What do Nomu look like:
The body is often unnaturally massive, with hypertrophied muscles - they are specially strengthened for combat.
Skin can come in a wide variety of colors: black, white, and spotted varieties are common, and some have unnatural shades.
Facial features are distorted, often almost devoid of “human” expression: empty eyes, rough features, sometimes asymmetry.
There are noticeable modifications: additional protrusions, growths, ribs, antennae, wings, and other elements related to their Quirks (for example, the Winged Nomu actually has wings).
High-level Nomu possess such powerful regeneration that they can quickly recover even from severe burns and amputation of body parts.