You mean curse. His curse gives him more power and he grows wings transforming into a creature. The original curse mark came from Juugo, a character in Shippuden.
o_O He doesn't have one.
Nope.He just has,like a Bajillion brothers...
The blood of 1000 innocent souls.
The red eyes of the Uchiha clan are known as the Sharingan.
July 23 according to the Naruto wiki. (Not wikipedia.) See attached link.
No
Really good!
Sharingan
He doesn't have one.
Suaskes (?) If you're talking about Naruto, Sasukes parents actually get killed by Itachi (Sasukes older brother)
July 23
Fugaku and Mikoto Uchiha
July 23rd - Pisces
ambot
Jugo
no that is not likely to happen
yes itachi killed them