Joshu

Joshu is a cat and Edison's assistant on Egghead.

Appearance
Joshu is a small cat with light-colored fur. It walks on two legs and wears a dark-colored, long-sleeved shirt and dark-colored pants.

Personality
Joshu is an obedient assistant and enjoys helping people.

Abilities and Powers
Despite being a cat, Joshu is capable of walking on two legs and using a pen and paper to take notes.

Egghead Arc
Joshu followed Edison to draw up plans for a new invention, as the scientist was struck with a sudden idea after watching the Straw Hat Pirates fight S-Shark.

Translation and Dub Issues
Joshu is derived from the Japanese word 助手 (joshu), which means "assistant."

In the VIZ release of Chapter 1065, a line was added in which Edison called Joshu "Assis-Tabby". In the Japanese version, Edison says "猫の手も 借りたい", an idiom referring to there not being enough time in the day.