Karson Mase

Karson Mase is a 12-year old boy and a protagonist of Yu-Gi-Oh! XD. He is first seen in the first episode.

Personality
Karson is always in full-spirit even after losing a duel. He can ruthless resulting him to a loss in the game. He is way different than the time when Karson was only 7. He would be worried if lost when he was younger.

Deck
Karson uses a "Battle-Quip " Deck because of his recklessness.