1. He was also very proficient in kenjutsu, his reputation as “Konoha’s White Fang” stemming from his extensive use of the White Light Chakra Sabre, which emitted a streak of white chakra when swung!
2. At some point in time during his career as a shinobi, Sakumo confronted and killed Sasori’s parents, earning Chiyo’s hatred!
3. Sakumo was a famous and powerful ninja of Konoha who, during his lifetime, held fame that was said to overshadow even that of the Sannin
4. The mere idea of facing Sakumo brought fear to his enemies, as shown from the reaction of an Iwagakure shinobi who mistook Kakashi for him!
5. His Birthdate is on 3rd September!