Kakashi, Obito, Rin and Minato Namikaze (the leader) were students in the same team.
Obito dies and later on it emerges that Tobi is, in fact, Madara Uchiha.
No because obito is not Tobi .madara uchiha is a man from before the hidden leaf he is probably hundreds of years old madara was born before kakashi they can not be the same age because Kakashi is 27
Well as shown now tobi is not madara. However there is no way tobi could be obito cause at the time where the nine tails attacked kakashi was still young and tobi was way older when he fought minato. I dont get why people are not using their brains cause that is a proof that tobi is not obito.
No Tobi is not Obito Uchiha, Obito died and gave Kakashi his Sharingan. Tobi's true identity is Madara Uchiha founder of Akatsuki and The Rival of the First Hokage. Madara also became the Mizukage
NNNNNNOOOOOOOOOOOOO!!
obito is Tobi and kakashi will adventualy find out! there is proof and if you want proof that im right type in "is obito Tobi?" in the question box and read both answers!
(Correcting some of the original answer) Hopefully people have noticed that tobi has the same letters in it as Obito, plus tobi only has a sharingan on his right side. i think that tobi is also madara as well. my hypotheses is that when the rocks caved in on Obito, Madara took the chance to take his body thus creating tobi; half obito half madara.
EDIT
Tobi IS NOT Obito, When Tobi fights Konan he uses the Sharingan in his LEFT side because he sacrifices the one in his right eye when he uses the izanagi. Then he has Nagato's rinnegan implanted to replace the one lost.
---EDIT (17 Oct 2012) By Kondey
Alright listen up, Tobi Is Obito. Just after the explosion the Real Madara uchiha Found him and saved his life using a very ancient technique. straight after Obito thanked Madara and asked if he could Re-surface and Help his Villagei n the War. Obito set off and noticed Kakashi Plunging his sharingan into Rins Chest. Realising that there was no point in life without the girl he loved and the fact that Kakashi was the one who killed her... Obito returned to Madara and trained with him, at the point where Madara was finally dieing Madara useda technique simililar to the on Itachi used in his fight with Sasuke; Giving Obito all of his knowledge and memories and powers. Obito took up the alias of Tobi and took Madara's identity to keep his legacy going. -
Obito is Tobi. Obito only have 1 sharingan because the other one is with Kakashi. which makes sense because tobi also have 1 sharingan. . . also on the right eye(same with obito). His half was reconstructed by Madara using Hashirama's cell and white zetsu. . .
Want another xplanation? Since Kakashi has Obito's left sharingan. They both know how to use Kamui and can access the same dimension. . . Tobi uses Kamui too. . . . Know why? (because he is Obito Uchiha).
Here's another one, Kakashi and Tobi has the Sharingan design. . .Thats because Tobi is obito. And Obito owns both Sharingan. . .
Tobi is not Madara Uchiha. . . He is Obito Uchiha. . . .
Yes. In the Kakashi Gaiden Arc, Kakkō used Earth Release: Rock Lodging Destruction to try and kill Kakashi Hatake, Obito Uchiha, and Rin. Obito pushed Kakashi out of the way of a falling rock, and Obito's right side was crushed. As Obito did not give Kakashi a gift when Kakashi was promoted to Jōnin, Obito decided to give Kakashi his remaining Sharingan eye. Rin obeyed Obito's wishes, and transfered his Sharingan eye into Kakashi's injured eye. While the cave falls, Obito thinks about his teamates and how he never got a chance to tell Rin he loved her. Kakashi avenges Obito by killing Kakkō with a perfected Chidori.
Rin was on Kakashi, Obito and Minato's team, she was their medic nin and was the one who transplanted Obito's remaining eye into Kakashi. For more info read this: http://naruto.wikia.com/wiki/Rin
Obito Uchiha, deceased comrade of Rin and Kakashi Hatake, and also a student of Minato Namikaze before he became the Fourth Hokage, was thirteen when he sacrificed himself in order to save Kakashi.
Because Tobi is from First hokage generation and Obito was from Kakashi generation.
Obito Uchiha is in a special 6 part episode called the Kakashi Gaiden set during the Third Great Shinobi World War.
Yes. In the Kakashi Gaiden Arc, Kakkō used Earth Release: Rock Lodging Destruction to try and kill Kakashi Hatake, Obito Uchiha, and Rin. Obito pushed Kakashi out of the way of a falling rock, and Obito's right side was crushed. As Obito did not give Kakashi a gift when Kakashi was promoted to Jōnin, Obito decided to give Kakashi his remaining Sharingan eye. Rin obeyed Obito's wishes, and transfered his Sharingan eye into Kakashi's injured eye. While the cave falls, Obito thinks about his teamates and how he never got a chance to tell Rin he loved her. Kakashi avenges Obito by killing Kakkō with a perfected Chidori.
From what i know so far about kakashi, obito, and tobi. The 3 are related.cause from the time obito and kakashi discussed obito said then i'll crush that idea of a shinobi. The so called tobi arrived to take nine tail knowing that kakashi was still weak from the last mission with obito. The question is were is obito's body or who took his body or was it the person he fought with. Sorry this are question
Obito was found by Madara Uchiha but after a while Zetsu told Obito that Kakashi and Rin were in trouble. Obito's body was weak so Tobi let Obito where his body and Obito saw weird things in his left eye and when he got there he saw Kakashi kill Rin and so Kakashi and Obito both unlocked the mankegyou sharingan.
If your asking who is obito it is kakashi dead freind, he was a kid from the uchiha clan and handed his left eye (sharingon) to kakashi
During on of the Great ninja wars (probably the 3rd) little kakashi and his team were on a mission with their sensei Minato Namikaze. This day also happened to be when Kakashi was promoted to jonin, so his whole team gave him presents except Obito. Obito, Rin, and Kakashi were sent on a separate mission and were going to meet up with Minato later on. Kakashi and Obito got into a fight about which ninjas were the scum of the world. Obito and Rin were ambushed Rin was captured and Obito was saved by Kakashi. Kakashi lost his left eye while trying to save Obito, and Obito finally awakened his sharingans. The duo then rescued Rin, but then while they were escaping the enemies jutsu caused the rocky surroundings to fall. With Kakashi's new blind spot, he was hit by a rock and was going to be squashed by a rock when Obito shoved him aside to take his place. Obito's right side of his body was completely crushed and he was slowly dying. As his gift to Kakashi he gave Kakashi his sharingan to replace Kakashi's bad eye. Rin transplanted the eye, and then Kakashi and Rin were forced to leave.
Kakashi holds the Sharingan in his right eye. Before Obito died, a ninja had made Kakashi loose his right eye by thrashing it with a weapon, then when Obito is trapped under a rock. Obito forgot to give Kakashi a present, so.... he gave him his Sharingan eye! ~Rena.R then he gets his mangkoue sharigan from all his closet friends who have all died by SaSuke_P0weRs
Hatake Kakashi's best friend is Uchiha Obito. Obito dies from falling boulders way before the start of Naruto. This is also the why Kakashi gets the Sharingan.
Kakashi gains the Sharingan by receiving an eye transplant from his deceased friend, Obito Uchiha. Obito's Sharingan is transplanted into Kakashi's left eye socket, allowing him to unlock the abilities of the Sharingan.
i don't think he could be because kakashi has 1 of obito's sharingan eyes. and although Tobi did lose his eye, it appears he lost both his eyes from over use of MS. plus obito is and buried, and kakashi visits his grave daily so he would know
Kakashi and Rin.
because kakashi killed rin and obito loved her,and it was his misson to kill her
SPOILER A bunch of boulders were falling and they were heading for kakashi but obito jumped in the way and got crushed instead. When obito was dying he gave Kakashi his sharingan by having Rin take it out and switch out Kakashi's since previously Kakashi's eye got cut by a later battle. Then when the boulders were starting to collapse down under Rin and Kakashi had to leave and left Obito covered in boulders to which he died ='[