Kunihiro Watanabe

Kunihiro Watanabe (渡邉 城大) is a Japanese and, more commonly referred to by his artist name, JohDai.

Watanabe was one of Hirohiko Araki's assistants between the years 2010 and 2018.

History
Watanabe joined Araki's team around the tail-end of Steel Ball Run and continued to work as an assistant throughout JoJolion's serialization. His name is scattered throughout the chapters that were released during his eight years at Lucky Land Communications.