Zack was an independent vampire and choice to live in different world. He has a weird emotions and personality. He adapts human life style and he always defends on what he wants in life. He loves to explore. Zack was belongs to a wild vampire with a natural charm, but he has a smooth heart. He is an adapted of his uncle, Leandro Vivanco, the one who known as a Lion man. He cares animals and natures, especially humans' precious life. He is a lifesaver and a lovely vampire.