Doraemon: Nobita’s Great Battle of the Mermaid King

Nobita is curious, imaginative, and sometimes overconfident, which lands him in unexpected adventures. He longs to dive and explore, and his empathy grows as he helps Sophia and the merfolk. Throughout the journey, he learns the value of teamwork and responsibility.

Doraemon acts as guide and protector, using gadgets like the underwater pump and translation jelly to assist Nobita and Sophia. He decodes legends and the mermaid sword's prophecies, keeping the group safe and focused.

Shizuka is kind and compassionate, quickly befriending Sophia and offering practical help, like washing clothes and coordinating hospitality. She helps bridge human and mermaid cultures, showing empathy and patience.

Gian is loyal and boisterous, often the group's protective anchor. He provides comic relief but also steps up when danger arises, showing courage beneath his loud exterior.

Suneo is curious and image-conscious, sharing diving photos while contributing clever ideas. He remains part of the team and grows to show loyalty when the mission intensifies.

Dorami provides a rational perspective on legends and apparitions, encouraging the kids to distinguish myth from reality. She offers practical guidance and support during the journey.

Dekisugi observes events with a calm, analytical mind, offering quiet insight. He contributes to the group’s understanding of clues and the mermaid lore.

Sophia is a mermaid princess who arrives on Earth with a tail and a language of her own, bringing mystery and a bridge to the underwater world. Her presence drives the story’s exploration of identity and belonging.

Queen Undine rules the mermaid tribe with grace and authority, summoning Sophia and guiding the fate of the underwater realm. Her leadership sets the stakes for the mermaid succession and the quest.

The Merman King is the antagonist who seeks power through the mermaid sword, driving underwater chaos until defeated. His confrontation with Sophia and the group tests their resolve.