Who's the person inbetween itachi and shisui?

Itachi Uchiha and Shisui Uchiha To Get Their Own Perfect Susano-o In Naruto Shippuden Ultimate Ninja Storm 4

Were Shisui and Obito the same age? Did they know each other well? - Quora

Can Naruto still use Itachi's crow, the one that has Shisui's eye? - Quora

Moriarty — Thoughts on Shisui ? As a character I mean.

Who's the person inbetween itachi and shisui?

Naruto: 8 Things Fans Should Know About Shisui Uchiha

5 Unique Facts about Uchiha Shisui, Itachi's Friend

Was Shisui Uchiha really stronger than Itachi Uchiha? - Quora

How Boruto Can Revive Shisui, The Most Powerful Uchiha Shinobi

sasuke? — What's the age gap between Itachi and Shisui, in