Zenitsu Agatsuma

Zenitsu Agatsuma is the cowardly, lovable member of Tanjiro's group — a Thunder Breathing user who unleashes incredible power the moment fear pushes him past his limits.

Background

Abandoned and burdened with debt, Zenitsu was taken in and trained by a former Thunder Hashira. Convinced of his own worthlessness, he nonetheless mastered a single technique to absolute perfection — proof that mastery beats versatility.

Powers & Abilities

Ability	What it does
Thunder Breathing, First Form	A single, perfected lightning-fast strike
Sleep-fighting	Unleashes his true skill when he passes out from fear
Godspeed	His own original seventh form, blinding in speed

Personality

Anxious, dramatic and quick to panic, Zenitsu hides a deeply loyal heart and surprising courage when it counts — especially when protecting his friends or Nezuko.

Relationships

• Tanjiro Kamado and Inosuke Hashibira — his constant companions.

Role in the Story

Zenitsu provides comic relief and sudden, jaw-dropping heroics, and his backstory pays off in one of the series' most personal battles.