Phi

Phi is the main antagonist of the anime and manga series Beyblade Burst Turbo. Phi is a tall, fair skinned man with long white hair and two differently colored eyes: a blue right eye and a red left eye. His attire consists of a space-cadet blue sweatshirt with white borders on the sleeves and a red symbol, a crimson coat with a three-pronged tail and a shade of yellow borders and stripes, a white belt with indigo studs and buckle with an orange-red border, indigo diamond-shaped earrings, and burgundy pants fused with a pair of shoes. When he uses his dark power, his eyes' sclerae turn black, his voice becomes distorted, and his aura changes from its fiery red-orange color to a dark purple. Phi presented himself as a calm, composed, nice and gentle individual upon introduction. However, he slowly revealed his true self: a dangerous, immature, ruthless, sadistic, and power-hungry person who wants to become the strongest.

Phi is completely obsessed with destroying powerful Bladers thanks to a strong, evil connection between him and his Bey, Phoenix. Calling himself the 'Lord of Destruction', he has destroyed 5 beys in total and Burst all the Beys in the Battle Royale. During this season, he coveted the resonance of Aiger Akabane and waited for when he would become an opponent worthy to destroy. During the Battleship Cruise, he also watched the battles to see who would be a worthy opponent to destroy. And when he upgraded his bey, he still sought to destroy Beys simply because he wanted to.

His ruthless behavior was first shown when he destroyed Laban's Vice Leopard and Kyle's phone after they tried to read his true nature.

Phi's dark nature stemmed from his youth, when his brother Hyde claimed the Bey that he had originally wanted (which was Dread Hades). This led to him holding a years-long grudge against Hyde, which ultimately culminated in him both breaking and stealing Hades for himself, which he later used to upgrade his Revive Phoenix into Dread Phoenix. When he was finally defeated for good in the season three penultimate episode, he acted like a sore loser by taking his anger at his loss out on his Bey, refusing to understand why he lost.

Phi is a sadist who likes to toy with his opponents, and seems to have mentality of a spoiled child as referring Aiger and other people as his "toys" and saying how he wants to "play" with them to see their despair. So he promised Valt he would save his Beyblade for the last while also destroying the Beys of his closest friends Free and Shu in order to indirectly torment him. During his and Aiger's final battle, Phi made incredibly creepy faces, laughing maniacally, whispering to him in a evil way, and using deadly new moves in an attempt to trap him in a dark void and break him.

Phi has the ability to corrupt his opponents, as he was responsible for causing Aiger's dark power. He attempted to corrupt Shu during their battle, but failed because Shu was able to break free from corruption in the past and knew how to resist it. He later tried to corrupt Aiger again because he ironically cured Aiger's dark power.

Phi starts boasting about being a "god" and think he can control fate and would not loose after obtained Dread Phoenix. But when he loss to Aiger in the final battle, he get into an argument with Hyde because he feel insulted. Luckily, he admitted that he was wrong about some things afterwards.