Zabimaru (Zanpakutō) Bleach

Zabimaru has two heads of intelligent beings within his spirit form. The first head of Zabimaru is a large, white baboon with long, purple markings along his back and arms. The second head is a white snake, which extends from the back of the baboon in the form of a tail with the snake head on the end. Both of these heads have their own consciousness and speak independently of one another, though the snake depends on the baboon for independent movement- Reinji is one of the Main Charakters of Bleach and uses Zabimaru and it's 3 Forms through out the Series to fight for the good of Soul Society and to help our Protagonist Ichigo save the day.