He fought in Marineford, he caused the end of the schibukai system that had been going on for years, he took down 3 schibukai, he barged into 2 yonko islands, he defeated 2 yonko commanders, he defeated 1 yonko, he captured 3 ponegliffs, he has one of the clones of vegapunk that can create the biggest problems for the world government, he is the son of monkey D. Dragon and the grandson of Monkey D. Garp, oh my god what a big scam, how did he become a yonko?