About Uchiha Itachi~ Background
Coming Soon~ Appearance
Despite his status as an infamous shinobi, his appearance was not the most intimidating, apart from the intensity of his eyes.~ Personality
While living in Konoha, he would regularly have a gentle and caring look in his eyes, especially directed towards his younger brother. After joining Akatsuki, he would regularly have a stern look to them. He was a fairly tall shinobi, whose basic appearance was very much like the rest of his clan.
He, like all members of his clan, possessed dark grey eyes, and also had black hair that hung near his cheeks to frame his face. He also had the addition of a long ponytail in the back of his hair (which he obscured with his Akatsuki cloak after joining the organization).
Being brothers, Itachi and Sasuke had a similar appearance, but with subtle differences. Itachi's hair color appeared slightly duller and with a softer flow to it, without the spiky style at the back. His skin was also slightly darker. Itachi's most distinguishing characteristics were the long pronounced creases under his eyes.
When he lived in Konoha, his casual clothes would consist of a black shirt with a large Uchiha clan symbol on the back of it, and black pants with a weapons pouch strapped to them.
When on duty, he would wear the traditional ANBU uniform, although he was never shown wearing a mask. As a member of Akatsuki, he wore the traditional Akatsuki cloak, and usually kept the center of it buttoned down.
After his cloak was incinerated by Sasuke's Kirin during their fight in Part II, it was revealed that he still wore his casual clothes underneath it. Like almost all members of Akatsuki, he wore the headband of his home village, Konoha, with a line gouged through it, to symbolize his broken ties with the village (although, secretly, he was actually still loyal to his village).
Ever since his first appearance, Itachi had always been mysterious, and had acted as though he was hiding his true self.
While flashbacks to his past showed that he was a compassionate brother and person, his later acts and claims made it seem that this was mostly just an act. But, surprisingly, he genuinely was the compassionate brother he had once claimed to be, although he hid this from the rest of the Akatsuki to protect Sasuke.
As a member of Akatsuki, he possessed incredible self-control of his emotions. He constantly displayed an emotionless personality. He only showed surprise when opponents proved more powerful or skilled than he had expected, and even then he didn't lose his composure.
He did not possess any arrogance, and fully justified any statements he made about his power, even complimenting his opponents at times on their abilities.
In addition to being an extremely powerful ninja, Itachi had equally impressive intelligence, and was shown to be very wise. He was exceedingly sharp and observant to any situation at hand, as he was rarely surprised or caught off guard.
He also displayed great intuition, as he was almost never deceived and even then almost instantly realized the truth.
Despite his status as a wanted criminal, and having murdered a significant portion of his family, Itachi took no enjoyment in violence or combat, instead preferring to avoid battle or, if this was not possible, end it as quickly as he could.
Itachi's only initial interest was in Akatsuki's goals, and his only loyalties appeared to be to the organization and its members, seeming to put the organization's success and secrecy before everything else.
As such, Itachi got along with his partner, Kisame, much better than most other Akatsuki members did with their own partners. Kisame appeared to have a deep loyalty to Itachi, immediately doing as he instructed and constantly looking out for his well-being. Itachi treated all of his fellow Akatsuki members to this same, more respectful personality, although his courtesy was rarely returned by the other members.
However, when he was in a genjutsu duel during his fight with Sasuke, he cruelly claimed he had only let Sasuke live so that he could take Sasuke's eyes and obtain his own Eternal Mangekyo Sharingan, after which he then claimed the Uchiha clan had been nothing but tainted and evil, since many members would kill their friends to gain the Mangekyo Sharingan, and would take another Uchiha's eyes to make its power permanent.
Once the genjutsu was released, he called it his true self, implying his calm, emotionless personality was also a facade. This persona was later revealed to be only an act to ensure that he would die by Sasuke's hands, his love for his younger brother being the fundamental aspect of his personality.
~ Coming Soon
* Itachi can be translated as "weasel".
* According to Pain, Itachi's reason for fighting was "ideology".
* Itachi ranked highly in the Shonen Jump popularity polls for the series, continuously placing in the top ten and reaching sixth place once.
* He and Kisame were the first active Akatsuki members to appear.
* Itachi and Kisame made a brief cameo appearance in the Konoha Sports Festival OVA, where they were standing in line to use the bathroom, along with many other random characters.
* Itachi's hobby is visiting traditional Japanese cafés.
* Itachi's favorite foods are cabbage and onigiri with seaweed in it, while his least favorite is steak.
* Itachi had completed 340 official missions in total: 53 D-rank, 152 C-rank, 134 B-rank, 0 A-rank, 1 S-rank.
* Itachi's registration number was 012110.
* Itachi's favorite word was "peace".
~ Credits: Information extracted from Narutopedia