Kakarrot
Kakarrot is Goku’s Saiyan name. It’s like his Saiyan nickname. Vegeta hates it. Everyone else loves it. It’s basically his Earth name but with more Saiyan pride.
'Kakarot, I’ll beat you again!', Vegeta
'I’m Kakarot, and I’m gonna win!', Goku
'Why is he called Kakarot? It’s like a weird Saiyan version of Goku!', Bulma