2A2's best fighters

My class, 2A2 had 2 good fighters ( sort of). Both of them are Kiwi and Ferrari (sry, can't reveal their identity). they both are good pals until one of them call someone (between themselves) nicknames as shown above. When they fight ( literally), juz like Sumo wrestler coz of their size ( not that fat but still...) There's no one can break up their fight except the teacher or one of them started to give up. Their fight is juz like entertainment to us bcoz their fight sometimes looks fake, but sometimes looks real... But mostly their fight is funny. LOLz