|Video game debut|
Neku is one of the Heishin's guardians along with Sebek. Neku is suprised to see Sebek defeated after he loses to the prince. Neku then duels and loses to the prince, allowing the prince into Heishin's lair.
He also appears as an enemy Marshal in Yu-Gi-Oh! The Falsebound Kingdom, named Necubetos.