10. After 1 year of the war, he met Itachi, who was then only 5 years old and then became best friends with him and formed a brother-like bond. He loved Itachi so much that he gave him his eye before he jumped in Naka river and committed suicide. Itachi gained the ability to summon crows and Mangekyou Sharingan then.
11. He has 3 nature types (Lightning, Wind, and Fire) as well as Yin Release. His fire style was one the strongest of his time. An entire ANBU unit of best water style users was hardly enough to go against his fire style. And other than that, he also wields tanto very well. As a result, he was able to use Ken Jutsu. In the village, they say that it was almost as good as Sakumo Hatake’s.
12. He trained Uchiha Sasuke.
14. For his excellent mastery of the Body Flicker Technique, He was known as ‘Shisui of the Body Flicker’. He skills outperformed every other ninja, not even sensory type ninjas could detect which one is the real one.
15. He was born on October 19.
16. Kabuto tried to reincarnate Shisui Uchiha for the war however, he could not do it because he can not find his DNA Samples.
17. Shisui Uchiha was 5′ 9” tall and his weight was 155pounds, his blood group was A.