海馬乃亜
[[Yu-Gi-Oh! Duel Monsters]] anime-only character.

Gozaburo Kaiba's biological son and adoptive brother to [[Kaiba Seto]] and [[Kaiba Mokuba]]. The primary antagonist of the "Virtual World" arc.

[spoiler]Initially a heir apparent, he suffered from a car accident that left him in a comatose state. His father then use advanced technology to transfer his consciousness over to the "Virtual World", a virtual reality created specifically for him to wait while he is searching for a suitable body double. However, after Gozaburo adopted Seto and Mokuba, he begins to neglecting Noah. Jealous for being more "loved" by Gozaburo, Noah plotted a revenge against Seto by kidnapping them alongsides other contestants of the Battle City tournament to his Virtual World in order to kill them.[/spoiler]

His appearance is based on Kaiba's look from [[yu-gi-oh! (toei)|the Toei adaptation]].
kaiba noah