|Japanese translated||Cronos de Medici|
|Rōmaji||Kuronosu de Medichi|
- Ancient Strategies
- Ancient Intelligence
- Watch and Learn
- Excellent Gadget
Vellian Crowler, known as Cronos de Medici (クロノス・デ・メディチ Kuronosu de Medichi) in the Japanese version, is a character in the Yu-Gi-Oh! GX Spirit Caller video game. This is a video game depiction of Vellian Crowler, a character from the Yu-Gi-Oh! GX anime.
The player and Jaden met Crowler when they tried to apply for the Duel Academy entrance exam upon arriving late. Crowler gave them a chance to enter if they could defeat him in a Duel, and developed a dislike for both of them are losing. Crowler can be found at various points of the island from the very beginning of the game, but he will refuse to duel the player.
Crowler attempts several times to get back at the player and Jaden, pitting them against the Duelist in Disguise, supporting Chazz Princeton's own attempts at payback, luring them into a Duel against Titan at the Abandoned Dorm, and then trying to get them expelled for trespassing. However, none of them succeeds.
Crowler will allow the player to duel against him after they become Duel Academy's representative for the duel against North Academy.
- Crowler uses this Deck at first.
- Crowler will switch to this Deck after the player defeats Kagemaru.
- Crowler uses the following Decks after finishing the game.