Reginald Kastle, known as Ryoga Kamishiro(かみしろ りょう, Kamishiro Ryōga) in the Japanese version, and nicknamed "Shark" is an opponent in Yu-Gi-Oh! Legacy of the Duelist. This is a video game depiction of Reginald Kastle, a character from the Yu-Gi-Oh! ZEXAL anime.


Leviathan Shark
Shark Attack
Shark Chaos
Shark Capture
Black Ray Lancer