"The Captain" was an associate of Professor Anthony Ivo and was the first known captain of the Amazo. He was killed by Ivo for failing to prevent Oliver's escape, and he was succeeded by "The Butcher".
As part of the Amazo's crew
After Oliver Queen was captured by the Amazo's crew, "The Captain" came to ask him questions. Refusing to speak, "The Captain" threatened him with torture and death, before shooting him in the stomach. He came back later, after Oliver had removed the bullet and sewed his wound. He questioned him about grave sites and, although Oliver did not answer, he determined them to be on the correct island. Later in the day, Oliver was taken to be interrogated by Sara Lance.
Sara soon took him to a CB radio to contact his friends. Confirming their location and number, Sara disconnected the radio. She was joined by Ivo and "The Captain". The latter wished to kill him, deeming him of no use, but Ivo wished to keep him alive for later use.
Some time later, Ivo and his men took Oliver Queen to the supposed spot of the Hōzen. They were intercepted by Slade Wilson and Shado, who suggested a trade for Oliver. However, he was able to escape, with Sara in tow. "The Captain" ran after them, but was injured by an explosive. He crawled back to Ivo, who killed him for his inability to prevent Oliver's escape.