he looks so hot under the mask! i know this has nothing to do with this but now if u dont mind, i will tell u how i think he got his sharingan.
he doesnt have the uchiha blood-line so he couldnt have had it when he was born. wat i heard was when obito died, rin did a surgical implant by taking obito's sharingan and putting it in kakashi. i dont know the rest but i think that covers it!