Zagine Axeloake

In the Manga Zagine was a hired assassin who killed Trains parents. As he did not know they had a child he didnt plan on meeting Train and so gave him the chance to live. Train lived with him under a strict and demanding training in order to survive. It was during his childhood that Train got his signature characteristics: Drinking milk and developing catlike reflexes. Zagine later died leaving Train to be on his own and told him that to survive in this world he would have to be the best. That is when Train started improving himself in order to become the best. In the Anime Same as in the manga except Train is influenced by Zagine when he reaches Eden and confronts a ghost of Zagine. Nevertheless he faces him and doesnt let his words bring him down.