gavan was the first known metal hero, a J-hero thats suit is robotic looking and shows varios techno details. he is a space sherriff that came to earth to maintane justice in the universe. he has a ship that becomes a giant dragon.
he eventully teamed up with his succesors, sharivan and shaider, but that was only a clip show and not a big event.
-he is portrayed by the same actor who played battle kenya in battle fever J, and denji blue in denjiman.