Rokuro Okajima (also known as Rock) is the main male protagonist of the manga/anime series Black Lagoon. He is a Japanese salary man who formerly worked for Asahi Industries in Tokyo until he was taken hostage by the Lagoon Company and subsequently joined them as a member. Rock is the heart of the Lagoon Company, serving as a balance for his more jaded teammates and as a bright spot in the world of darkness that is Roanapur. Dutch has stated that he believes Lagoon Company is complete with Rock not holding a gun, saying his bullets are the kind to ricochet back at them. Rock is one of the "luckiest" characters in the series as he managed to survive every single thing he experienced from being taken hostage to being shot at.