Goku, born Kakarot, is a male Saiyan and the main protagonist of the Dragon Ball metaseries created by Akira Toriyama. Cheerful, tenacious and also a bit naïve, Goku is a Saiyan originally sent to Earth as an infant with the mission to destroy it. However, an accident alters his memory, causing him to grow up pure-hearted and later become Earth's greatest defender, as well as the informal leader of the Dragon Team. Throughout his life, he trains hard and constantly strives to be the greatest warrior possible and to fight stronger opponents, which has kept the Earth and the Universe as a whole safe from destruction many times.

Try to sound like Sean Schemmel, the Funimation dub of Goku, Meanwhile Goku is currently taken by me, whoever is casted for Goku here will be my Understudy. here's a link: https://www.youtube.com/watch?v=-VwF-uCbzS0&t=22s