Full view, please.

Entry for the Mary Sue contest. [link]

In this case however, it's a Gary Stu. Marty Stu. Whatever.
Okay, starting with the basics:

Name: Bruce Ki-Dakiattajin (Bruce Uchiha)
Age: somewhere in the vicinity of older than his younger brother, Itachi.
Parents: Rock Lee's mum and Sasuke's dad.
Jutsu (he has wandered the countries for several eternities without growing a wrinkle, so he's got a lot of useful jutsu.)
-Fire Style: Sulphuric Cloud Jutsu
-Fire Style: QUITTHATCIGARETTE jutsu (which is ironic, seeing as he smokes himself. But this incredibly powerful jutsu can blow out fire...with fire.)
-Amaterasu and Tsukuyomi, because he's an Uchiha
-Gangrene no Jutsu. A jutsu which requires contact to the caster, Gangrene no Jutsu lets the caster bless his opponent with gangrene.
-Megachidori. It's silent and deadly, and cuts through diamond like it was butter. Usually with normal chidori, you hear the thousand birds screeching, which renders it a highly unsteathly jutsu. However, Bruce has mastered the chidori such that HIS birds screech at such high frequency it doubles as a dog whistle.
-STD...well technically this isn't a jutsu. Anyway, he uses genjutsu to make his opponent believe they have slept with him and they have contracted chlamydia. They then waste the next few weeks of their lives taking advice from doctors and trying to cure themselves of this terrible disease.
-Those Tree Things That Yamato Has, except, like, 10000000 times stronger. He can control kyuubi. He can make her dance, sing, whatever.
-He's an Uchiha, but where's his Sharingan? Well, he has a special type of sharingan (as if there weren't already like a million types) called the black sharingan. The black sharingan's abilities have not all been discovered, but so far Bruce has discovered there are absolutely NO side effects of using the black sharingan. In short, the black sharingan is very, very, very powerful.

Personality:
If he met Sasuke, he would say something along the lines of 'get that pineapple out of your a*se and do something useful for once.' Uselessness pisses Bruce off, and that's probably the reason for his invention of gangrene no jutsu, to rid the world of useless lumps.
Clan/s and Affiliations etc: He's an Uchiha, a pseudo-lengendary Pokemon, a digi-volved digimon, a quick-play spell card, a Kaguya (he has their kekkei genkai) and is also a semi-reincarnation of Jiraiya, hence his STD jutsu.

Other: Sasuke is currently unaware of his older brother's existence, as Madara has not yet gotten to that yet. However, it should be noted that Itachi knew of an older brother's existence. It seems that good ol' Bruce used to be a pretty quiet dude until one devastating day when he stumbled upon the phrase 'get a life!' and became what he is now, an infamous ninja known fire-country-wide for his strength. Nagato tried to make Bruce join the Akatsuki, but Bruce refused. At the age of three Orochimaru (surprise, surprise) took a liking to the young Bruce and kidnapped him from the Uchiha's house. Those marks on his face are the curse seal marks. Bruce's upbringing was a rough one. Having Orochimaru as your dad is nice and all, but the fact that he seeks out other little boys and bites them is beyond disturbing. Embarassed by daddy's antics, Bruce left Oro's lair and traveled solo for the next few years of his life. He also has on robotic arm because some five-year-old kid Bruce met with a plant on his head ate it. That was about 15 years ago.

Presently, Bruce resides in the Hidden Village Inside The Xerox.