Mr . Phoenix Mr . Phoenix was the father of Aster Phoenix and a card designer for Industrial Illusions . In the Yu - Gi - Oh ! GX anime , he created the " Destiny Hero es " , while in the manga he created the " Legendary Planet s " . Biography . Anime . Mr . Phoenix worked as a card designer for Industrial Illusions . He eventually began creating the " Destiny Heroes " . Seeing this as an opportunity , The Light of Destruction influenced Phoenix into creating a vessel to house it ' s essence . Though he tried to resist , he was unable to , and eventually created " Destiny Hero - Plasma " . This card was infused with the Light of Destruction , who then began to seek a human host . By chance , Phoenix ' s son Aster let a design concept blow away in the wind , and in chasing after it bumped into The D , a criminal who was down on his luck . Aster mentioned that the card his father was creating would be one of the most powerful ever made . Knowing the money that he could make Dueling professionally , The D broke into the Phoenix residence that night to steal the card . The Light of Destruction inside the card influenced him , and he killed Mr . Phoenix in the ensuing struggle . In the English dub , Mr . Phoenix was said to be kidnapped , but his death was still alluded to by The D himself . This made his son an orphan , but The D adopted Aster in order to cover his trail . Legacy . In the next ten years , The D used the destiny - altering powers of the Light of Destruction to reign as the champion of the Pro League , while Aster grows into a strong Duelist who ranks high in the League himself despite only being fifteen . Aster had vowed to find his father ' s murderer , and Duels with " Destiny Heroes " his father created . He knew that when he found " Plasma " , he would find his father ' s murder . The D eventually invited Aster to his yacht , and there he revealed the truth and Dueled Aster . In addition to his winning record in the Pro League , The D had competed in numerous underground Duels , where he had used " Plasma " to imprison the souls of countless Duelists . The first victim was Mr . Phoenix himself , who briefly communicated with Aster during the Duel . He urged his son to win the Duel , which would release the souls of the Duelists and purify the card . After some hesitation , Aster did so , thwarting The D ' s strategy via " Destiny Hero - Dark Angel " and attacking with " Destiny Hero - Celestial " to destroy " Plasma " and win the Duel . With this , the soul of Mr . Phoenix was finally able to rest in peace . Mr . Phoenix could be seen during Franz ' s flashback amongst the employees applauding Chumley Huffington for creating a new card . For an unexplained reason , he was seen alive despite the fact that he should be dead a long time ago . Manga . Mr . Phoenix was a card designer . Due to this fact , Tragoedia chose him as a vessel . Tragoedia continued to raise Phoenix ' s son Aster while possessing him , with Aster none the wiser . While possessing Phoenix , Tragoedia created the " Legendary Planet s " , which he imbued with the power to sap small amounts of energy from Duelists who faced them . He also created the cards he would use in his personal Deck during this time . When Phoenix ' s use was at its end , Tragoedia called for a meeting with Principal MacKenzie of the American Duel Academy . During this meeting in MacKenzie ' s office , Tragoedia released his hold on Phoenix and possessed MacKenzie instead , killing Phoenix in the process and taking the " Legendary Planets " from him . Through MacKenzie , Tragoedia kept in contact with Aster , with Aster still unaware of his existence . He gave Aster " The Grand Jupiter " from the " Legendary Planet " series , telling him that his father would have wanted him to have it when he was mature enough .