Even while battling Frieza on the self-destructing Planet Namek, he chose to finish his fight with Frieza even when offered the chance to escape through the Namekian Dragon Balls, believing that Frieza had to be defeated by his hand rather than random chance. They finally made it to Bowser room and they start fighting, they defeat him by Goku Head big Power Pole squishing Bowser.

While viewed by many as a very honorable man of heroic nature, he openly never actually considers himself a savior, but rather simply refuses to let innocent people or animals get hurt, as his adoptive grandfather taught him. Goku's attitude changes when he hits his head because that's what causes him to forget all about them. The injuries Goku sustained would be long naturally healed before Goku had his first senzu, just like if someone left a broken bone to heal. We see Bardock, Raditz, Vegeta, and Nappa, and despite Vegeta's issues, he still is rather normal compared to Goku. When found by Grandpa Gohan, he was unruly, savage, and aggressive, wanting nothing to do with the elder.Also, Goku was very happy to learn he was going to be a grandfather, to which he later enjoyed taking care of his baby granddaughter Pan and grew very concerned when she disappeared. In Xenoverse 2, despite his extreme hatred for his evil brother, he showed an interest in learning more about his parents. Gas himself also lamented that Goku lacks his father's grit and determination which Gas apparently respected.

Their rivalry is mostly one-sided as Goku is generally friendly towards Vegeta and recognizes his abilities as a fighter, although Goku does get competitive with Vegeta as seen from learning that Vegeta left without him to train under Whis. Goku had very little knowledge of his biological family since he was too young to remember his parents and have never learned the good traits of them. Not sure if there's something that makes this way off base or someone else has already thought of this before me, but I figured it'd be neat to try actually discussing dragon ball on this dragon ball discussion board. Upon hearing a recording of Bardock's voice, Goku began to remember more about his parents and how they loved him so much to risk their lives to save him.He told them his origin and the great power of the Horse and they started to fight, but he got blown away by Goku Head. He loves them very much that he is willing to sacrifice himself to save others as he did against Raditz and Cell.