Piccolo directly opposes Bojack's invasion and is defeated by him.
Piccolo challenges Bojack after saving Gohan, but Bojack quickly defeats him.
They belong to the same defensive group against Bojack.
Piccolo and Future Trunks are both among the fighters opposing Bojack and his invading force.
Piccolo and Vegeta share opposition to Bojack and a skeptical reaction to the aftermath.
Piccolo and Vegeta both engage Bojack's force, and afterward they sit together on the roof while remaining unimpressed by the public news report.
Mr. Satan regards Piccolo as one of the formidable fighters he might have to face.
Mr. Satan recognizes the fighters from the battle against Cell and anticipates facing the tournament winner, while Piccolo advances in the competition...
Explore the full interactive character relationship map of Dragon Ball Z: Bojack Unbound