A girl from the Duchy of Artoria, the country depicted in the painting. She is characterized by her long yellow hair and mysterious eyes the color of "Artoria Blue." She refers to herself as "warawa" and speaks in an archaic, regal style (using endings like "-ja" and "-karou"). She has a tomboyish and brave personality.

A boy who is poor at both studying and sports, but is kinder than anyone else. He has a crush on Shizuka.

A blue cat-type robot. However, he has no ears because they were bitten off by a mouse. He is Nobita's best friend. He has a spherical head and torso with short limbs. He has a two-tone color scheme: blue for his body and white for his face and belly. The tip of his nose and tail are red. Due to his appearance, he is often mistaken for a raccoon dog by people he meets for the first time, which makes him furious every time. He pulls gadgets out of his Four-Dimensional Pocket. First person: I (soft, polite). He lives with Nobita.

He usually bullies Nobita along with Gian. When he falls into a crisis, he cries out for his mother.

A neighborhood bully who is confident in his physical strength. He is deeply emotional and values friendship highly.

She can produce and manipulate water from her fingertips, capable of shooting through things like a water pistol. She loves taking baths.

A 10-year-old boy with flaxen hair living in the Duchy of Artoria. He is Claire's childhood friend and a talented artist. He was born into a family of court painters serving Artoria Castle. While he has a residence within the castle, he also keeps an atelier by the shores of Lake Artoria.

A mischievous little devil (bat-like) who loves chocolate. Often seen with Claire. [Appearance] An adorable bat-like figure with large ears and small wings on their back. [Personality] A mood-maker who loves surprising humans. On the other hand, they have a loyal side, being close friends with Princess Claire, and a cute side where they love chocolate more than anything.

A young man dressed in purple clothes with purple hair. He is an art merchant in the Duchy of Artoria who frequently visits the castle to buy and sell paintings. His true identity is a member of the Time Patrol. He is initially detained by Doraemon and the others after being suspected, but they eventually reconcile. He is gentle and a bit clumsy.