You are Aroi Kraigen for Ten years you were experimented upon by the Evil Sannin: Orochimaru, his experimentations varied from modifying Your cells to incorporate the DNA of Hashirama Senju, Tobirama Senju, Minato Namikaze, Kakashi Hatake, Rai Uchiha, Madara Uchiha, Baka and Naori Uchiha, Mangetsu Hōzuki, Shira Haizen, Tenzõ Iburi, Kimimaro, Tsunade, Guren, the Second and Third Kazekage's, Second and Third Raikage's, Second Tsuchikage, Second, Third, and Fourth Mizūkage's, Fugaku Uchiha, Karin and Kushina Uzumaki, Jugo, and even The great Snake Sage of the Ryūchi Cave, Orochimaru woud often place Cursed Seals on your Body, and even Implanted Twenty five Sharingan into each of your Arms. Your body was enhanced with multiple Kinjutsu, such as the Earth Grudge Fear, or the Legendary Kinjutsu of Iwagakure which Deidara later Stole. Your DNA was modified again and Again, and not just with Human DNA but that of Animals such as Panther's, Bears, Monkeys, and even Several Tailed-Beast's like the Eight, One, Two, Three, Four, Six, Seven and Five-Tails, You Also had a Series of Secret Clan Technique's Locked away within your mind.

Your Clan was once the Cadet Branch of the Uchiha Clan, meaning you could have awakened a Sharingan Regardless of them being Implanted into your arms.

Now you have had enough, so with an escape plan in mind, you finally give in to your instincts and Cursed Seals and now your Rampage Begins...