The central protagonist whose curiosity and occasional laziness trigger most adventures. Despite initial cowardice and academic struggles, he consistently demonstrates courage, compassion, and leadership when worlds are threatened, often serving as the emotional core and key to resolving major crises.
Core partnership where Doraemon supports Nobita's underwater exploration.
Close friends who experience the journey and captivity together.
Companions who share survival moments during the palace journey.
Friends whose shared interest in diving initiates the entire adventure.