Direct training relationship, with Roshi guiding Yamcha's combat development.
Vegeta's forces directly caused Yamcha's death, cementing a permanent enmity.
Fought together against Saiyan forces, maintained a respectful alliance through shared losses.
Initially combatants, later aligned through mutual survival and shared goals.
Shared concerns about the next generation's path, connected through mutual friends.
Connected through shared training lineage and Earth defense efforts.
Explore the full interactive character relationship map of Dragon Ball Z