Hattori might be small in size but his powers are no less than any supreme Ninja. He can move at high speed, sleep suspended on the ceiling and knows the martial arts like the back of his super fast hand. Hattori is hardworking and strict when it comes to disciplining Ken, but he has a heart of gold and can't help but pull Ken out of tight spot.
Really... They are the good example of Best Friends Forever because they help each other even in their tough times....They also fight with each other but...whenever they fight, their friendship get much stronger and stronger than before!