A 22nd-century cat-shaped robot. Blue all over and short-statured. Often mistaken for a raccoon dog. When treated like a raccoon dog, he gets angry and shouts, "I am NOT a raccoon dog!" He has a kind personality.

Kind and gentle, but gets zeros on tests and is poor at sports. However, he is skilled at cat's cradle and marksmanship. He is best friends with Doraemon and has a crush on Shizuka, having fallen for her because she is always kind to him. A 5th grader and a crybaby. Refers to himself as "I" (soft/polite) and addresses others with "-chan," "-kun," "-san," or no honorific.

A kind, gentle, serious, and lovely girl who loves taking baths. She is Nobita's classmate. Her hobby is the violin, though her playing is... ear-splitting. Her favorite food is roasted sweet potatoes. A polite girl who addresses everyone as "-san" or "-chan." She loves Guest.

A boy with orange hair tied back in a short ponytail. He has a kind and quiet personality. A young artist who loves drawing and is very talented at it. He comes from the 13th century and arrived in the modern era after being caught in a space-time turbulence. Refers to himself as "I" (soft/polite). He is acquainted with Doraemon and Nobita. He fell in love with Guest at first sight.

A primitive boy who is bare-chested and wears leather pants that only reach his thighs. He comes from the Stone Age and arrived in the modern era after being caught in a space-time turbulence. He has a kind and energetic personality. Refers to himself as "I" (soft/polite). He is acquainted with Doraemon and Nobita. He fell in love with Guest at first sight.

A silver-haired boy. He always wears a hat, but rabbit-ear-shaped antennas grow from his head. He belongs to a race called the Espals. He has a kind and relaxed personality. He lives on the moon but came to modern Earth after being caught in a space-time turbulence. Refers to himself as "I" (soft/polite). He is acquainted with Doraemon and Nobita. He fell in love with Guest at first sight.

Called Gian by everyone. He is a bit chubby but is a strong neighborhood bully. He usually bullies Nobita along with Suneo, but he is a "soul friend" to Nobita—a classmate who is arrogant yet kind-hearted and strong. He is especially close with Suneo. He often takes Nobita's things, saying "What's yours is mine." Refers to himself as "The Great Me" or "I" (rough).

Wealthy and boastful, with a bit of a narcissistic and dishonest streak. He is Nobita's classmate and bullies him along with Gian, but helps out in times of danger. He occasionally does unnecessary things that anger Gian, resulting in a bump on the head. Despite this, he is kind and a bit of a scaredy-cat. Refers to himself as "Little ol' me."

The Princess of the Kingdom of Arturia. Refers to herself as "We" (archaic/royal). She addresses others without honorifics. She is close with Milo. She encountered Nobita and the others (Nobita, Shizuka, Doraemon, Gian, Suneo) after arriving in the future due to a space-time intrusion. She hates drawing and baths, but after eating chocolate given to her by Suneo, it became her favorite food. She cares for her comrades. She speaks with a "-ja" ending (archaic). She fell in love with Guest at first sight.