Light Yagami (Death Note) - Genius student turned god-complex villain; manipulates death with a notebook, blurring morality lines in his justice pursuit.
Frieza (Dragon Ball series) - Ruthless space tyrant; destroys planets, fears Super Saiyans. Iconic antagonist who killed Goku's race and challenged him fiercely.
Hisoka (Hunter x Hunter) - Morally ambiguous, driven by battles; his unpredictability and lust for strong opponents make him both captivating and treacherous.
Johan Liebert (Monster) - Personification of evil; manipulates people's psyches, leaving a trail of devastation with an enigmatic past.
Griffith (Berserk) - Once Guts' ally, sacrifices comrades for power, becoming Femto. His betrayal and ambition lead to unfathomable darkness.
Madara Uchiha (Naruto) - Legendary ninja with unmatched power; seeks peace through control, challenging protagonists with a grand vision and fierce battles.
Makoto Shishio (Rurouni Kenshin) - Burned alive, seeks revenge; his ruthless ambition and code challenge Kenshin's vow never to kill again.