Core inventor and companion who consistently aids Nobita across multiple adventures using futuristic gadgets. He navigates crises involving dinosaurs, alien invasions, magic realms, and time paradoxes, often taking leadership in technical and strategic solutions while ensuring the group's safety across different eras and dimensions.
Close companions who travel together to Planet Pirika and rely on each other during the adventure.
Fellow members of the friend group who shrink together to assist Papi.
Opposing forces; Doraemon uses his knowledge and gadgets to counter Gilmore's dictatorship.