The closest thing to an official reason behind Kakashi's mask comes from the non-canon "Naruto" spinoff series "Rock Lee's Springtime of Youth." According to the Narutopedia, an episode of this comedy anime reveals that he wears the mask to hide the nosebleeds he gets while reading his favorite book series, "Makeout
When minato (the fourth hokage) was alive, kakashi was sent on a mission, along with his teammates rin and obito uchiha, by minato. And then some events took place and the enemy was going to land a fatal attack on obito but kakashi came in between to save obito and got that scar.
kakashi is always late because he goes to the memorial stone to give tribute to his fallen comrades and friends. To be specific Obito and Rin.
How Did Kakashi Lose His Sharingan? Kakashi lost his sharingan when it was stolen by Madara during the Fourth Great Ninja war. He was then gifted duel mangekyo sharingans from Obito, causing Kakashi to lose his Uchiha abilities as the tradeoff after the fight.
Many people (including team 7) have seen Kakashi's face before but they didn't realized it because Kakashi was in disguise (In a filler episode). Also Teuchi and Ayame have seen Kakashi's face when he was eating ramen.
Why did Kakashi become Hokage? To put it most simply, Kakashi became Hokage because, aside from Naruto (who was both young and still a Genin), he was the best shinobi in the village. Hokages are decided by strength more often than not, and his genius on the battlefield more than qualified him for the position.
Because it's a fantasy-ish ninja manga and at the time it was thought that it was nice to give him white hair and that it fit his personality. Story wise it's propably just a recessive hair color. IIRC most characters in the Naruto series have black, blue-black, purple-black, or dark brown hair.
Tsunade for 4 years. Hashirama for 3-4 years. Minato for 2 years. Naruto for a year.
I read from here that for an A-class ranked mission, Sakura teams up with Kakashi, her sensei, and according to the requirement of the mission, she loses her virginity to Kakashi.
11 years oldHarry Potter Paperback Boxed Set, Books 1-7 That said, Harry is 11 years old in the first book in the series and 17 by the final book, and kids generally like to read about protagonists in their age range or a couple of years older.
eleven years oldThe first book begins when Harry is eleven years old. The last book ends when he is seventeen.