Hiroyuki

Hiroyuki (ひろゆき, Hiroyuki) is pure breed mongrel and the pet of Genzo Shibata.

Overview
Hiroyuki is Genzo's pet that accompanies him everywhere. Even when he is fighting on the ring, Hiroyuki will join the fights and do moves with him. When he was transported to different world and time with Genzo, his species was unknown there and he was considered rare species, so people wanted to steal and sell him.