Hatake Kakashi is a famous father-controller in Konoha. After his father's death, he has been keen on committing suicide.
Uzumaki Naruto, a famous monster in Konoha, died because everyone hated him and wanted to fulfill their wishes. He also committed suicide.
Uchiha Sasuke, the orphan of the Konoha Uchiha clan, has become suicidal since the death of his clan. In fact, he has supernatural powers and is immortal.
Haruno Sakura is a well-known good child in Konoha. She has a cute appearance, excellent grades, and loves to help others. It is said that she is the experimental product of Orochimaru, one of the former three ninjas of Konoha.