Answer: Five
Kakuzu has five hearts which he stole from powerful ninjas.
From Quiz: "Naruto": How Much Do You Know?
Answer: Kisame
Kisame Hoshigaki, along with Zabuza Momochi, Raiga Kurosuki, and four other unknown members, was a member of the group known as the Seven Swordsmen of the Mist. Not much is known about them, but they all (obviously) use swords in battle. Kisame's sword, the samehada, is capable of devouring his opponent's chakra.
From Quiz: Akatsuki: A "Naruto" Quiz
Answer: Kakashi
Kakashi was in a squad with an Uchiha whom he got his Sharingan from. The Sharingan was transplanted when Kakashi lost and eye and his friend was about to die in battle.
From Quiz: "Naruto": Test Your Knowledge
Answer: Sakumo Hatake
Sakumo Hatake was a legendary ninja who was extremely powerful and was also Kakashi's father. He committed suicide when the Leaf village dishonored him for pulling out of a mission to save the lives of his teammates.
From Quiz: The Ultimate 'Naruto' Test Part 8
Answer: Yoroi Akado
Because of the curse mark on his neck, Sasuke was unable to use his chakra. This made Yoroi the worst possible opponent, since his power was chakra absorption.
From Quiz: All About Sasuke Uchiha
Answer: Shadow Clone Jutsu
What used to be his worst jutsu became his best after reading a secret scroll.
From Quiz: All About Naruto Uzumaki
Answer: Might Guy
Might Guy (Japanese Might Gai ) is a fan of youth. He believes that you should let people enjoy their youth while they have it.
From Quiz: "Naruto" Quotes Part 2
Answer: Tenten
Tenten says this when she misses her target, Temari, during the Chunin Exam Preliminaries. She is considered a Weapons Master, who can throw one thousand weapons at the same time and hit the target with every one of them.
From Quiz: "Naruto" Quotes Part 1
Answer: rabbit
He was running with it in his arms, but it jumped out and hopped into a bush. Zabuza came around the bush holding the rabbit by its ears and gives it back to Haku. Zabuza pats Haku on the head and Haku looks up at Zabuza.
From Quiz: All About Haku
Answer: Gai
Gai is Kakashi's enemy for eternity. They often battle with either eating the fastest or physical races. According to Gai, after all the times he and Kakashi battled, he still won by one.
From Quiz: How Well Do YOU Know 'Naruto'?
