He is 13 years old, has black hair, which is tied into a long ponytail, and wears a purple jacket. He is a master of Bakugan and co-created the rules with Dan. He is also Dan's childhood best friend. Shun is a loner, a boy of very few words, but yet is willing to help his friends at almost every turn. He is a Ventus brawler and he approaches Bakugan like a ninja. He lives with his grandfather, who used to be a famous ninja warrior, who once expected Shun to follow in his footsteps instead of playing Bakugan. His Guardian Bakugan is a Ventus Skyress, whom Shun received from his sick mother.
Source from Wikipeida