Katana

Katana is an antihero and former nemesis of Black Phantom. He used one of Phantom's suits to create his own, called the katana suit. He used to be a supervillian during the events of Black Phantom 2, but became an antihero after seeing the devastation he caused.

Relations
Black Phantom - Former rivals for the attention of Terry Crusoe when they were assassins, Katana and Phantom became enemies and later, friends (during BP2) Katana now is a Phantom alongside Black Phantom and the Gold Lion.

Gold Lion - Lion and Katana seem to be friends, owing partly to their job together. They have not gone on any missions together to date, although it may occur during Black Phantom 3: Armageddon.

Cyro - In Katana's upcoming standalone movie, it is confirmed that the antagonist will be Cyro.

Terry Crusoe - Myth's former employer, Crusoe and him get along relatively well until he left the job. Crusoe now hunts for him.