"What's the matter? All I said was that Komaytos look like little Metr—" Non-canon warning: This article or section contains information that may not be considered an official part of the Metroid series in the overall storyline by Nintendo.
Delta is a character in Blood of the Chozo. Like Mr. Quartz and his kidnapped family, Delta was imprisoned in the Marshal's base. When Dark Panda is shot on Scylla A, Delta explains that his attacker was HWCASE, who is also trying to capture Delta due to a bounty on his head.