Centered around the adventures of the martial arts-loving Son Goku follows its heroes as they go on a quest to collect all seven Dragon Balls, battling any enemies they encounter along the way.

Source: https://www.cbr.com/one-piece-anime-recommendation-fans/

In recent memory, however, knowledge of his full name, "Son Goku," has become increasingly ubiquitous.

Source: https://www.cbr.com/dragon-ball-english-dub-name-why-not-son-goku/

In the original Japanese version, when Cheelai asks for Goku’s name, he simply responds with ''Son Goku or Kakarot''.

Source: https://www.cbr.com/dragon-ball-super-chapter-92-broly-says-son-goku-not-kakarot/