Gigaths are not the largest in Dragon Ball, as Super Shenron dwarfs galaxies.

Of the ten closest stars to the Sun known to host planets, seven have masses less than half that of the Sun. These small stars are common and apparently host planets in abundance, but they also flare ...

However, the planet was far from safe for the group ... Vegeta outperformed him by turning into Super Saiyan 3 and won the Two-Star Dragon Ball by answering the Tamagami's quiz.