"Vellian Crowler is an antagonist from Yu-Gi-Oh GX. He is an instructor at Duel Academy with a vendetta against Jaden Yuki for beating him in the entrance exam. He focuses on using the Ancient Gear archetype and prioritizes machines. His signature card is Ancient Gear Golem. It’s a monster with 3000ATK and piercing damagedealing the difference between his attack and a Defense monsters DEF as battle damage."