Inosuke is wild, loud, aggressive, and extremely competitive. He loves fighting and constantly challenges people to prove who is stronger. He is stubborn, impulsive, and has a huge ego, often giving himself ridiculous titles, such as "god of the mountains". He was raised in the mountains and has poor social skills, so he can be blunt and misunderstand normal behavior. Despite his rough personality, Inosuke cares deeply about Tanjiro, Zenitsu, and his friends. He is surprisingly sensitive and sometimes shows a goofy, innocent side.

