Goku in the Dragon Ball Z manga and anime is essentially the same. The character's development, relationships, and heroic moments are faithfully represented. Some minor variations could be due to the medium's requirements, but the essence of Goku remains unchanged.
Goku's understanding of different universes and races could be deepened in fanfiction. Since Dragon Ball Super introduced the multiverse concept, fanfiction could explore how Goku interacts with and learns from beings from other universes, making him more worldly and less naive in some ways.
Claudia is not a character from the original Dragon Ball series. Goku is the main protagonist of Dragon Ball. He is a Saiyan sent to Earth as a baby. He is known for his powerful fighting abilities, his love for martial arts, and his kind heart. He has saved the Earth multiple times from various threats.
There are a considerable number of Dragon Ball manga. It's a long-running and popular series, but the exact count might vary depending on how you classify different editions and spin-offs.
Definitely! Dragon Ball is a well-known manga that tells an exciting story with unique characters and epic battles. It's had a major impact on the manga industry and has inspired countless fans and creators.