|This article is about a/an monster in Kamen Rider: Dragon Knight.|
A green hammerhead shark monster with missile launchers. It attacked Kit and Drew as part of Xaviax's plan to turn Kit against Len. The Green Hammerhead was destroyed by Kamen Rider Dragon Knight's Strike Vent and Kamen Rider Torque's Launch Vent. Another Abysshammer accompanied a Brobajell into attacking Kit and Kase. It alongside Brobajell were destroyed by Kit's Strike Vent.