Some Picture of Obito Uchiha

Yeah, this first two pictures are the most controversial among the others, lately. Is it true that Tobi is Obito Uchiha? What's your opinion?

And the following are the pictures of Obito with his sensei, the 4th Hokage, and his comrade, Rin and Hatake Kakashi.

And the last four pictures are wallpapers of single Obito.