Li Zijia is a badminton player. He often beats his opponent with a big ball like an octopus in competitions, so everyone is called Lizijia Big Octopus.

The octopus is a marine animal and a mollusk of Octopodidae. The big octopus is one of the smartest species in our world. Because the big octopus is not only good at camouflage, but also has a very complicated brain, so the octopus has certain intelligence.