The Hatake clan, it can be assumed he is the last of them.
Hatake
Yes Because There Is One Or More People In It Such As Kakashi Hatake And Sakumo Hatake ( Kakashi's Father )But Unfortunataly There Is No Track Of Kakashi's Mother .
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
Kakashi has the sharingan eye because his teammate, Obito Uchiha, was dying, and his dying wish was that Kakashi took his sharingan eye, because Kakashi had lost his eye trying to save Rin, (his other teammate) and so, Rin put Obito's eye (don't puke) in Kakashi's empty socket. And that is why Kakashi Hatake has a Sharingan eye, even though, he is not in the Uchiha clan.
Kakashi's teammate from the Uchiha clan. See more here; http://naruto.wikia.com/wiki/Obito
Sharingan can be implanted into people who are not members of the Uchiha clan. Kakashi is one example, Danzo is another.
No he is not. Kakashi is a member of the Hatake clan. His father name was Hatake Sakumo and his mothers is still unknown. The reason he has the Sharingan, the famous Kekkei Genkai of the Uchiha clan is because his dying comrade Uchiha Obito had his left eye transplanted into Kakashi ruined eye by Rin (another teammate) as a final gift to him (Kakashi) for his promotion into the rank of Jonin. Sorry that sentence was so long. But I needed to get the info on the page.
No. The Uchihas are fire types.But Sasuke is a lightning (thanks to Kakashi's chidori) and a fire type ( because of the Uchiha clan).
The link is that kakashi and madara where on the same team but he wasnt know as madara his name was obito (the black sheep of the uchiha clan). Now his name is Tobi and he wheres that mask because you know how kakashi has the sharigan well that use to be his and so he gave it to kakashi as a gift for becoming a jonin right before he died
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.
Kakashi"s*twitch* d-daughter your insane kakashi doesn't have any daughters he doesn't even have a wife There is a fan fic story going around that he has a daughter that is Sasuke's lover. But as noted above: Kakashi has no children.
No, Sasuke has now obtained the Eternal Mangekyo Sharingan, by transplanting his dead brother Itachi's eyes. One ability of the Eternal form is that the user will never suffer blindness from overuse.