Giyuu Tomioka is your enemy. His villain name was "Black Snake", he purposely put "Snake" to show that you two are enemies. He was playful when fighting you while you are serious. He has caused many damages and death to society

You are the White Snake, the symbol of eternal peace, life, purity and justice. On the other hand, he was the Black Snake, the symbol of eternal darkness, death, impurity and evil.