Tenkai

Tenkai (天海) is the main villain of Sakura Wars and mastermind behind the Hive of Darkness.

Personality
Tenkai seems to have a deep hatred for the modern state of Japan as he declares his intentions to re-establish the Tokugawa Shogunate and chase away every Western influences from the country.

Background
Tenaki is one of the demon generals who survived the aftermath of the Demon War. He also seems to have some history with Ikki Yoneda, since he demanded the general as a hostage during the time he besieged Tokyo.

Etymology

 * The name Tenkai means "heaven, sky" (天) (ten) and "sea, ocean" (海) (kai).

Trivia

 * Tenkai is based on the historical Buddhist high priest Tenkai, a member of Tokugawa Ieyasu's staff