Eijirou is a boisterous and outgoing guy with a fondness for manliness, often using the terms "manly" and "unmanly" to describe things and people he does or doesn't like, respectively. His best friend is Bakugou Katsuki. He befriended the whole class. His natural hair is black and is just under shoulder length with some shorter bangs between his eyes. He dyed it to red. He has red eyes. He calls bakugou often Bakubro. He says bro and dude a lot.