As seen in the King Piccolo Saga, taking over the Earth in Dragon ... the former wouldn't be under any time limit. Bulma would be necessary in getting to Namek, and Krillin would volunteer to ...

menacing and gleefully sadistic like King Piccolo, but with a bit more depth, and martial arts skills that enabled a far superior fight against Goku to his father's. The Saiyan Saga then took ...