The following is a list of characters for the Yu-Gi-Oh! anime series, Yu-Gi-Oh! Zexal and its sequel, Yu-Gi-Oh! Zexal II. Where appropriate, names from English-language anime are on the left, while the original Japanese names (used in the English-language manga) are on the right. Character descriptions are relevant to the Japanese version of the anime. Main characters The main protagonist of the series, an energetic 13-year-old boy who is an underachiever in both school and duels, but always takes on any challenges and never gives up; an ethic he dubs "Feeling the Flow" or . Yuma is the current duel champion of Heartland City. Yuma's dream is to become the strongest duelist in the universe, but his dueling skills aren't up to par yet. He wears a unique key called the emperor key given to him by his traveling parents. The key unlocks a door to another dimension, where he encounters Astral. He uses a Deck given to him by his father, largely consisting of monsters that have notable play on words. Many of his monster cards are Light and Earth attribute, especially his Xyz monsters. His ace card is "Number 39: Utopia", which is later able to be evolved into "Chaos Number 39: Utopia Ray". Later he is given "Rank-up Magic Limited Barian's Force" by Ray Shadows which is able to evolve Utopia into "Chaos Number 39: Utopia Ray V". He later obtains "Rank-Up Magic Numeron Force", which is able to evolve Utopia into "Chaos Number 39: Utopia Ray Victory". A new magic card called "Rank-Down Magic Numeron" Fall grants Yuma the ability to summon a new evolution of Utopia, "Number 39: Utopia Roots". Another Rank-Up card, "Rank-Up-Magic Astral Force" allows Utopia to evolve into "Number 39: Utopia Beyond". In his duel with Astral, Yuma gains a unique Number of his own creation, "Future Number 0: Utopic Future". By combining his soul with Astral's, Yuma can obtain the power of Zexal. There are currently four known Zexal forms. The first Zexal form allows Yuma to perform a "Shining Draw" and draw "Zexal Weapon" monsters from his deck, which he can use to power up Utopia. Following a battle against Vector, he gains the power to become Zexal II, which allows him to transform a card in his hand. In one instance where Astral was attacked by Vector's darkness (only revealed to be controlled by Vector's Chaos) he then fused