He trains to defeat “The Tiger’s Hole,” which manipulates GWM, and in order to do so, he starts using the Tiger Mask persona, as Tiger Mask once dealt a defeat against The Tiger’s Hole.
Masakazu Morita as Kazuchika Okada (who is based on a real-life wrestler): The New Japan Pro-Wrestling’s champion who joins up with Tiger Mask to fight GWM.
There are even real-life wrestlers who have been inspired by the manga and anime to compete under the Tiger Mask persona.
To plan their revenge, Azuma trained at the foot of Mount Fuji, becoming the “New Tiger Mask,” while Takuma entered “The Tiger’s Hole,” the organization that manipulates GWM, becoming “Tiger the Dark.”