The Hunter's Assistant is an unnamed man that accompanies the unnamed Hunter that takes pictures of his achievements and sometimes helps out in hunting.
He has a toothbrush mustache.
The Birth of Arale
Main article: Volume 1: The Birth of Arale
In Bearly Friends!, He takes a picture of the Hunter standing on top of the Bear that he shot. Arale Norimaki who just released the bear back into the wild gets mad at them and throws the both of them far away. They both land in a place where they were surrounded by lions.
The Indestructible Caramel Man 007!
Main article: Volume 14: The Indestructible Caramel Man 007!
In Gatchan You're Great!!, the anime adaptation of Way to go, Gatchan!!!, the hunter and his assistant are shown to be the ones that injured the Gorilla while trying to hunt him. The Gatchan's both punch the assistant into a tree launching him away.