This is a "trial". I think this is a "trial" to overcome the past. Only by overcoming the childish past can people grow. Um? Are you like that too? Jan Pierre Polnareff?

Diablo’s identity and background

Diablo, the boss of the Passionate Organization, the discoverer of the “Arrow”, the fifth part of “JoJo’s Bizarre Adventure” Golden Wind Final Boss.

For those with dual personalities, Tobio is usually hiding himself, while the actual main personality is Diavolo. Tobio is just another personality that appears in order to hide his identity, and his substitute name is As the Crimson King (King Crimson), he also extended the epitaph with the ability to predict the future.