Iron Maiden is a formidable bio-organic weapon (B.O.W.) featured in the Resident Evil (Biohazard) video game series. Known for their grotesque, elongated bodies and ability to regenerate from most injuries, Iron Maidens are an advanced form of the Regenerator enemy type. Their signature characteristic is the array of spikes that they can protrude from their bodies, making them incredibly dangerous in close quarters. In the series, Iron Maidens serve as terrifying obstacles, challenging players with their resilience and lethal attacks.