Copen, known as Acura in Japan, is a main character of the viddeo game series Azure Striker Gunvolt. is the son of scientist who died prior to events of the first Azure Striker Gunvolt. He's Gunvolt's arch-rivel. Despite sharing some common interests with Gunvolt, Copen stubbornly holds true to his ideals and swears to kill him along with all other adepts. He becomes one of the main protagonists and playable characters in the sequel Azure Striker Gonvolt 2. His seiyuu is Kosuke Masuo.