Lucifer

Lucifer (ルシファー, Rushifā) is the king of Hell and the personification of all evil. He is a similar being to the King of Souls. He also plays the role of the final antagonist of Bleach: Second Act.

Appearance
Lucifer is physically similar in appearance to the King of Souls, as well as other members of the Kawahiru Clan, despite the fact that, up until this point, he is not known to be a member. He has long, straight silver hair, which reaches just past his shoulders. He also has large, light green eyes. Lucifer is unique, in that he has a third vertical eye growing on his forehead. It has black sclera and a yellow iris.

He wears a white shihakushō, white hakama, white tabi, and a white haori, with strange designs on the trim.

History
A thousand years prior to the series beginning, Lucifer ruled over the Soul Society along with the King of Souls. According to Genryūsai Shigekuni Yamamoto, however, Lucifer became ambitious and tried to seize control of the Reikai for himself. Freeing all of the in Hell, he staged a rebellion, costing hundreds of thousands of lives. During the war, a sole member of the Getsueikirite Family arose with the ability to use Shukai and defeated him, sealing his power away into three husks, known as the "heart of hearts", at the core of each spiritual dimension.

Zanpakutō
Lucifer's Zanpakutō is unnamed as of yet. It is very unusual in shape, taking the form of a large black bar with several spiked protrusions coming out of it. It is wrapped in white cloth down towards the middle of the blade, all the way down to its hilt. It also possesses a hollowed out opening near the handle to provide a grip.

Influence
Lucifer is both based and recieves his namesake from the person of in Christian theology and lore.