Orochimaru

Orochimaru 大蛇丸
Orochimaru (大蛇丸), the “Great Serpent,” is the ultimate antagonist of Japanese sorcery—a master of forbidden knowledge whose cold, calculating nature and mastery over snakes make him a symbol of both profound wisdom and terrifying evil.
Meaning and Origin
The name is derived from Orochi (大蛇 - giant multi-headed serpent from myth) and Maru (a common suffix for male names).
His origin is the same epic novel as his rival, the Jiraiya Gōketsu Monogatari. In the story, Orochimaru was originally a human named Yashagoro, a disciple of Jiraiya’s family who was seduced by a mysterious “Snake Master.” This master promised him the power to conquer the world if he would abandon his humanity. Orochimaru represents Corruption and the Pursuit of Immortality at any cost. He is the shadow of the ninja world, the person who chooses the “poisonous path” of the serpent over the “righteous path” of the toad.
Characteristics
Orochimaru is always depicted with snake-like features: pale, almost translucent skin, slitted pupils, and a long, prehensile tongue. He often wears robes with serpent patterns and carries the Kusanagi sword—the mythical blade found within the tail of the Yamata no Orochi.
His primary characteristic is his Serpent Magic. He can transform into a gargantuan, eight-headed white snake or summon thousands of smaller vipers from his sleeves. He is also a master of Soul Possession; legend says he does not truly die, but rather “sheds” his current body to take over a new one, much like a snake molting its skin. His presence is cold, causing the temperature to drop and a feeling of “paralyzing fear” to take hold of his victims.
Legends
The legend of Orochimaru is defined by his Eternal War with Jiraiya and Tsunade. Legend says that the poison in Orochimaru’s fangs was so powerful that it could melt the very earth, but it was countered by the “Holy Slime” of Tsunade’s slugs.
One famous scene involves Orochimaru trapping Jiraiya on a remote island. Just as he was about to consume his rival, the spirit of a thousand slugs rose from the ocean to create a protective barrier. This stalemate is why Orochimaru is associated with the Infinite Struggle between good and evil. He is the villain who can never truly be defeated because he is the personification of the “Dark Side” of human cleverness—the part of us that would trade our souls for the secrets of the universe.