Please tell me how you think an Adult male trying to take over the world due to the death of a former friend is a "deep and well developed character"?
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Oh man i have to explain whole thing then its going to be long so wait and read
First .....
he was same as naruto,, wanted to get acknowledge and wanted to become hokage.. at around age of 12
And he loves Girl Rin,, OK.. now what happened he sacrifised himself for friend almost died,,
But got saved by madara ,,, tregedy begins here.. obito was sure that he will not returnt to madara... but he saw rin's death by his own Friends Hands,,,, Mind trolled hard,,, obito realized one thing ,, What actully Itachi said once" there are so many things in this world that not goes as you wish.... " And he wanted to despertly change that thing... same as naruto ,, but chosen wrong path,, why?? coz madara brainwashed him,, he lost hope for shinobi world,, he wanted to create a world,, wher all can leave in peace.. and moved on,,, he succeed 80%,, and then meet naruto his past self... he realized what he become instead of becoming hokage..( What he want to become,,, he wanted to get acknoledge but he is alone as in last chapter,,, he reminds his promise to rin,, everything what he wanted,,) and then he started regreting his actions,, if he culdnt have turn evil,, he cuold have become hokage,,, who is Obito Uchiha,,, a perfect example of Human being who lost hope and chose wrong path,,,,,