孫 悟空, Son Gokū), born Kakarot (カカロット, Kakarotto), is the main protagonist of the Dragon Ball metaseries created by Akira Toriyama. He is the adoptive grandson of Grandpa Gohan, the son of Bardock and Gine, the husband of Chi-Chi, the father of Gohan and Goten, the grandfather of Pan, and later the great-great-grandfather of Goku Jr. Cheerful, courageous and also a bit naive, 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 Z Fighters. Throughout his life, he trains hard and strives to be the greatest warrior possible, while at the same time using his amazing strength and skills to uphold peace.