Jaiko Goda, recognized as "Geganteta" in certain Spanish dubs and nicknamed "Little G" in English adaptations, is the younger sister of Takeshi "Gian" Gouda. Her full name, Jaiko Gouda, carries an etymological meaning combining "sturdy, strength, robust, tough" with "field, rice paddy." Residing in Tokyo and approximately 8-9 years old, her birthday falls on July 19. Initially portrayed as snobby and cruel, particularly relishing pranks against Nobita Nobi, her character evolved significantly. Later appearances consistently depict her as kind, considerate, and gentle—a direct contrast to Gian's aggressive, hot-tempered nature. This revised personality solidified across all media, remaining unchanged in the 2005 anime remake. Her original characterization was reassigned to the infrequently appearing Botako. Jaiko excels in domestic skills like cooking and sewing, but her primary passion is manga creation. She pursues this under the pseudonym Christine Goda (クリスチーネ 剛田), submitting work to publishers for contests. However, underdeveloped storytelling often leads to rejection, causing her to frequently consider quitting; Gian then coerces his friends to cheer her up. Despite these early struggles, her future depicts success as a famous manga artist with high sales. Within her family, Jaiko maintains positive relationships. Her mother treats her more favorably than Gian due to Jaiko's good behavior, assigning her fewer store chores. Her father interacts less frequently with her, though their relationship is presumed amicable. Her bond with Gian is notably strong; while typical sibling conflicts occur, they get along well. Gian exhibits extreme protectiveness, sometimes to her annoyance, and assists with her manga using Doraemon's gadgets. He reacts aggressively to any comments about Jaiko from Nobita. Jaiko's background includes an original destined future where she married Nobita and had unruly children resembling her maternal uncle, a future altered when Sewashi sent Doraemon to change Nobita's fate. She harbored a past crush on a boy named Motesugi and later developed feelings for the seventh-grader Moteo Mote. She is occasionally referred to as "Hana." Despite her manga debut preceding it, Jaiko did not appear in the 1973 anime series, leading to occasional confusion with Botako. Specific portrayals in media like the film "Doraemon: Ganbare! Gian!!" (2001) are not detailed in available sources, though she is listed among its characters.