Kakashi typically has a relaxed and almost bored attitude, not prone to getting too worked up about anything or by anyone. Despite his increasingly growing reputation and prowess as a ninja, Kakashi has shown no signs of arrogance, and is rather modest about his abilities.
Kakashi's ability to copy nearly any technique used against him
Kakashi graduated from the Ninja Academy and became a Genin, when he was merely 5 years old, then at 6 years old. He loves reading "make out tactics"