Nightshroud, known in Japan as Darkness, is an evil spirit in Yu-Gi-Oh! GX. He has the ability to possess people, and is the one responsible for the Abandoned Dorm incident. He briefly appears as a minor villain in the first season, and later returns as the main antagonist in the fourth season and final foe in the GX  series. 

Duel Academy, one of the most prestigious schools in Duel Monsters history. There, students learn the fundamentals of becoming not just duelists, but large business owners.

Judai Yuki is a new student with only one thing on his mind: to become the next King of Games. Judai meets several friends, teachers, and even enemies at the large Dueling school. There, he'll have to face off against several different dorms&mdash;Slifer Red, Ra Yellow, and Obelisk Blue&mdash;to become the number one duelist. Will Judai be able to pass all of them?

Based on Kazuki Takahashi's world-famous anime and manga, <cite>Yu-Gi-Oh!</cite>.

[Twitter](https://twitter.com/jgriff_4real)

An American actor and voice actor who has worked on several animated TV series, and was the voice of SEGA mascot Sonic the Hedgehog, as well as Shadow the Hedgehog and Jet the Hawk, in the Sonic the Hedgehog video game series, where he is credited as Jason Griffith, before the role was passed to Roger Craig Smith. 

(Source: Wikipedia)