Protagonist martial artist and high school senior. Receives a Dragonball from his grandfather, seeks Master Roshi after their home is destroyed. Teams up with Bulma, Yamcha, and Roshi to collect the seven Dragonballs. Learns ki manipulation and the Kamehameha Wave, transforms into the Great Ape Ōzaru during a solar eclipse, and ultimately defeats Lord Piccolo to save Earth.
Mai repeatedly obstructs Goku's mission on behalf of the opposing force.
Mai works for the demon king, attacks Goku's group, shoots Goku, and steals the team's Dragonballs.
Master Roshi becomes Goku's martial arts mentor.
After Grandpa Gohan's death, Goku seeks Master Roshi, who teaches him to control his ki and develop the Kamehameha Wave.
Their practical partnership forms the core of the quest.
Goku offers Bulma protection in exchange for her help locating Master Roshi and finding the Dragonballs.
Their relationship begins with confrontation and distrust.
Yamcha traps the group as a desert bandit before Master Roshi convinces him to join the quest.
Explore the full interactive character relationship map of Dragonball Evolution
Related entry on Wikidata (Q2142), public domain (CC0).