Question: who is niizuma eiji based on?
Answer: It's speculated that Niizuma Eiji is based on Eiichiro Oda and Tite Kubo. Niizuma Eiji seems to based on Oda, with all the encompassing success of their manga and the rather childlike purity of their love of the artform. The editors of Bakuman appear to be based on real-life editors.