Decapiclops

The Decapiclops is the decapitated cyclops head boss from Getsu Fūma Den that appeared in The Legend of Fuma crossover stage in Castlevania: Harmony of Despair. It is one of three sub-bosses that must be destroyed before reaching the final boss, Ryukotsuki. It becomes more powerful after either of the other two sub-bosses Decapiclops and Chimyriad are destroyed. The Oxecutioner also appeared as an enemy in the Konami cross-over game Konami Wai Wai World.