Zaiper is a Bishokukai subordinate and was one of the main antagonists of the Regal Mammoth Arc. 

This is the great era of gourmet food! And only Toriko can hunt down the ferocious ingredients that supply the world's best restaurants. As a Gourmet Hunter, Toriko tracks and defeats the tastiest and most dangerous animals with his bare hands. But has he met his match with an eight-legged alligator the size of a tank?
<br><br>
(Source: Viz Media)

In the world where the taste and texture of food are very important there is Toriko, a hunter of precious foods regularly hired by restaurants and the rich. A man with inhuman skills to capture the ferocious, evasive and rare animals to complete his ultimate dinner course and then the chef Komatsu, his current accomplice: a weak timid person who was inspired by Toriko's greatness and accompanies him on all his journeys on his quest for the course of his life.