Because of clever movie production.
ANSWER:
Because they wear their pajamas to work, and the material is very fine and extremely thin and does not keep in much heat.
Because they kick ass
I agree more with the last bolded answer than the ones above. Ninjas are considered super cool because of their fighting skill, mostly. They rely on stealth, speed, and power to destroy the opponent. Put emphasis on the stealth. Possibly the coolest part is that ninjas were actually real. Ninjas were mostly spies in ancient Japan but also some were hired to be assassins, giving them a bad reputation.
And now if you want a less smart answer, they're cool cuz they kill people with sticks in less than 10 seconds.
Real History of there Awseomnes
During 15centuary Sengoku era when each state ruled by a daimyo(warlord) fought for controll over Japan and to win was to be tittled "Shogun"(The ruler over the the whole millitary force of Japan).
The ninja begun when a chinese monk who escaped the invasion of Beijing and landed by boat to Japan and met with a disgraced samurai in the mountains of Iga province and fused each otheres arts creating Ninjutsu(the art of stealth).
Ninjutsu was thought to the families of the mountains who were farmers and formed secret societies and only thought ninjutsu to son or daughter.
It was used to protect them selves from bandits, opposing samurai and even rebeling when the taxes became to high.
The weapons were descised into farming tools and there farming tools were turned in to weapons which was effective in suprise attacks and defending them selves
If your a daimyo and you need your own seal team, secret agents or body gaurdes then the ninja was your best choice since you can higher them to assassinate enemy daimyo or enemy generalls, gather intelligence about the enemy
Tokogawa was the only daimyo who knew the power of the ninja more than any other daimyo. In the end Tokogawa Ieyasu brought Japan back to peace for over 200 years
During Edo era, the times of piece the Kabuki thieter was made and the and actors dressed as ninjas to preform plays of heros, thieves, assassins and spies.
There were fictional stories of ninjas for example preforming hand sings and transforming in to an animal. Some ninjas may have even made these storilines up to keep there secrecy.
In 18centary years trade was allowed from Japan to Western countries. War broke out again when Japan westerniesed. When the war begun between the battle of Samurai clans wielding swords aginst the Emperors millitary wielding guns.
Because of the war the ninja were back to bussines until the Samurai clans lost the war.
During World War 2 a man named Seiko Fujita was said to be the last ninja having Koga Ninja Bloodline. He trained spies in the Japanese Nakano Spy school and took an elite Ninja squad to Berma to fight the British and out of a squad of 250 only 14 servived including Fujita. When he died he was said to be the last true ninja. Source (http://m.YouTube.com/#/watch?v=1QnO2v_retM)
Any one can be a ninja, all you need is to do is study ninjutsu(art of stealth) the martial art of the ninja. Then you will be considered as a ninja.
They will teach you how to kill in 1 touch(preashure points), How to turn close by objects in to weapons, how to defeat opponents without effort as fast as possible, How to make smoke bombs, Stealth tactics and so much more. The art is desinged for any one with. This is the power of ninjutsu.
Those fake ninja shows and movies on the tv are crap compared to real life ninjas. Although i like the Movie Ninja Assassin Its reccomended u watch it.
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The Production Budget for 3 Ninjas Kick Back was $20,000,000.
Ninjas vs- Zombies - 2008 is rated/received certificates of: USA:R (self applied)
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no u dum dum
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