Drake Knight, Duos Dragon (竜魔騎士 デュオス・ドラゴン) is a ka in the Yu-Gi-Oh! anime, summoned through the fusion of Duos and Curse of Dragon.
While in the manga, Duos and Duos Dragon are mostly white in color, in the anime they are mostly black.
"Duos Dragon" was summoned by Seto and Karim, by combining their Ka, Duos and Curse of Dragon.
Duos Dragon (manga)