Carl Islands

Grand Professor is one of the Numbers (12 Apostles) of Rebellion, and one of the most important members of the organization.

Appearance
Grand Professor's appearance is unknown.

Personality
Grand Professor's personality traits are unknown, but most likely shares Rebellion's ideals.

History
Grand Professor was asked by Sara Bloodlily to heal her disease. Grand Professor agreed to this, and cured Sara, but she was put under a huge debt to Rebellion. This lead to her becoming part of Akatsuki.

Night of Massacre
When Rebellion's headquarters were destroyed by All-Goal, and his followers, Grand Professor was not present. Grand Professor is also mentioned being one of the three people in Rebellion who know Tyrant's location.

Abilities
Master Doctor: Grand Professor is an extremely skilled doctor even curing Sara of her illness.