He had trained Ryouga in gaining better control over his Burst , and had revealed that he and Garyuu had fought Great Gavel in the past .
A man who is an old friend of Garyuu ( Ryouga 's father ) .
Ryouga had trained Ryouga in gaining better control over Ryouga 's Burst , and had revealed that he and Garyuu had fought Great Gavel in the past .
A man who is an old friend of Garyuu ( Ryouga 's father ) .