His real name is Kakaroto. He discovered that from his brother Radditz which is also the first time he learned taht he is a Saiyajin. Not only is he a great warrior, but also a spectacular leader. Throughout the entire series, he had inspired many, including both of his sons, Gohan and Goten and especially Vegeta. He is a diligent and hardworking person who would never fail to take on new challenges. Even though he had became the most powerful warrior in the universe by defeating Freeza, he still strive to become better. After Future Trunks had foretold that arrival of the cyborgs and Dr. Gero. He could have opted for the easy path by getting to Dr. Gero before the cyborgs were created, but he chose to challenge himself instead by prepparing for their arrival.
Goku's unfaltering spirit and confidence is remarkabout. After he forfeited the battle against Cell, no one, not even Gohan himself had the confidence to defeat Cell. Goku was the only one who had confidence in Gohan and followed through all the way to the end, even after Gohan was seriously injured and lost the will to fight. He never quits under any circumstance. Even after everyone gave up, his mind never stopped looking for solutions. Seconds before Cell was explode and destroy Earth, Goku realized he could teleport Cell to another location.
And more will come soon