Who is Hatake Kakashi and while we are asking questions about him, why does he always wear a mask? He is a fictional character in the Naruto manga and anime series created by Masashi Kishimoto.
Kakashi is the teacher of Team 7, a group of ninjas made up of the series’ principal characters: Naruto Uzumaki, Sasuke Uchiha, and Sakura Haruno.
Kakashi’s face is covered because he didn’t want anyone to observe him getting a nosebleed. (If you are an anime fan, you already know that a nosebleed isn’t a sign of injury or illness, but rather, a way to show that a character is having adult thoughts.) He initially appears detached and apathetic.
Read more on everydaypower.com