Vegeta is one of the main protagonists of the anime/manga Dragon Ball Z. He is a prince that came from the planet named called Planet Vegeta (which is named after himself). He is a rival to Goku.
Vegeta is beast known for his pride and arrogance. In the beginning of Dragon Ball Z, he thought that he was one of the strongest person in the universe. He greatly despises Frieza for the extinction of his race. He also dislikes his minions like Zarbon who constantly humiliated him when he was younger. Throughout the story, he began respecting the Z fighters who he used to be enemies of. He also developed a powerful rivalry towards Goku and wanted to surpass him. At times, he could be incredibly cruel and selfish in his path towards getting power but he would always redeem himself by helping the protagonists against a powerful enemy.
As a Saiyan, Vegeta posses superhuman strength, superhuman speed, and the other abilities such as flight and the power to create laser beams. Among his men like Radditz and Nappa, Vegeta was the strongest. He was able to easily kill Nappa which took the Z fighters time to take out. With a lot of practicing and training, Vegeta has become a powerful Saiyan capable of putting up an arduous fight against powerful enemies like Goku, the Androids, Cell, and Majin Buu.