Ken Hidaka is a fictional character in Weiss Kreuz.

He used to be the goalie for the J-league, but he was drugged and expelled from the team. His best friend Kase, also a player of the team, wanted to help him to find the ones to did this to Ken, but when they went to find these people, they were intercepted. They beat Ken up and take Kase, and then they burn the building down. Ken was found by Kritiker agents and they make him a member of Weiss (the white hunters).Later on he discovers that Kase was the one that have betrayed him and he had to kill him. In Gluhen, Ken seem to have some problems with himself, and ends up, voluntarily, in jail, to be able to think about what is missing, and why he can't let go, and he decides that he wants to be with Ran, and he also realizes what moves his word (apparently soccer) He and Ran are the only ones left of Weiss and they join in "Side B" published by Zero-Sum

His weapon is the bugnuks (tiger claws), and his image flower is the Gentian, that means "sweet by thy dreams", he has brown hair, green (in the anime) or brown (in the manga)eyes, and he is the sports guy of the team. Ken is also hot-headed, shy, friendly, and loves kids (he coaches a team of children) and travels with a motorcycle.

Info by Brenda Hidaka, obtained from watching the anime.