Nappa is a saiyan warrior in Dragon Ball Z, most notable for being bald. He serves Prince Vegeta, as his second in command, in a squad of three. He uses Saibamen to weaken his opponents before he fights them. He's usually cocky, and overconfident. Raditz is also a saiyan warrior from Dragon Ball Z, being the biological brother of Goku. He refers to him as Kakarot, and serves under Vegeta as well. He is quite overconfident, and believes himself to be stronger than the earthlings.