Actagawa

About

Actagawa is a supporting character in the Sabikui Bisco series. It is a kind of crab called a tetsugami, and is so huge that it can carry a person on its back. He is a reliable companion who travels with Bisco Akaboshi and Javi, and is especially bonded to Bisco like a brother.

(Source: Sabikui Bisco Wiki)