Genbu Gregor

Heavenly Fleeing Star, Genbu Gregor (天退星玄武のグレゴー, Tentaisei Genbu no Guregō) is a gigantic Lost Canvas-only Specter who claimed that his Surplice was harder than diamond. He was defeated by the Capricorn Gold Saint, El Cid, using his sacred Sword Excalibur.