Vellian Crowler

Dr. Vellian Crowler, known in Japan as Professor Cronos de Medici; sometimes spelled Chronos de Medici, is the head professor and department chair of techniques at Duel Academy. Initially scheming and underhanded in attempting to expel Jaden Yuki, Crowler grows throughout the series to appreciate all his students and in turn be respected for his noble actions. He was the main antagonist of the first half of the first season before the Shadow Riders debuted.


 * 7 wins gives the card Ancient Gear Knight.
 * 10 wins gives the deck recipe Archaeo-Mech Invasion.
 * 17 wins gives the card Ancient Gear Golem.
 * 20 wins gives the deck recipe Crushing Blows.
 * 27 wins gives the card Ultimate Ancient Gear Golem.
 * 30 wins gives the deck recipe Gadget Parade and adds Vellian Crowler's Garms to the shop.