Vegeta

Vegeta-The Prince of all Sayians

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History
Vegeta (ベジータ, Bejīta), or Prince Vegeta is the prince of thefallen Saiyan race and arch-rival to Goku. He is the husband ofBulma, the father of Trunks and Bulla, the estranged brother ofTarble, and the great-great grandfather of [http://dragonball.wikia.com/wiki/Vegeta_Jr. Vegeta Jr.] Aside from Goku, Gohan, and Piccolo, he is easily one of the most prominent characters in the series, receiving more character development after being introduced than a number of other characters. He was once a young member of the Saiyan Army under the Planet Trade Organization, but after his race's demise, he worked alongsideNappa and Raditz, directly under Frieza.

He later joins the Z Fighters while battling along side them onNamek, and returns to Earth with them as well, where he remains for the rest of his life.(from DBZ Wiki)