Stardust Dragon is one of the servants of the Crimson Dragon Normal, commonly referred to as Signer Dragons.
Yusei Fudo is the associated with Stardust Dragon and as such possesses the "Stardust Dragon" card.
Stardust Dragon also appears in the video game Yu-Gi-Oh! 5D's World Championship 2010: Reverse of Arcadia, as a Single Duel opponent. He also appears as a Tag Duel opponent, alongside Dark Paladin in a team called Fusion & Synchro.
Stardust served the Crimson Dragon and fought alongside him and the other Dragons in the ancient battle against the Earthbound Immortals. He was also with the Crimson Dragon and the other Signer Dragons in the battle against Red Nova.