Which nija's the right ninja?

Question

which nija's the right ninja?

a:

Ninja don't sweat.

Bullets can't kill a ninja.

Only a ninja can kill a ninja. Regular humans are useless.

Ninja never wear headbands with the word "ninja" printed on them.

Ninja can change clothes in less than 1 second.

Ninja don't smoke, but they do use smoke bombs.

Ninja always land on their feet.

Ninja don't eat or drink very much, and they never have to go to the bathroom.

Ninja always move to America when making a new start as a non-assassin.

Ninja have a bad temper when they lose at anything. They will usually cut off the winners head before they have time to gloat.

Wear headbands

Fight skillfully with any object

Can remove a spleen in one swift motion

Live in your house secretly for days

Can remove their shadow if needed

Hurl shurikens

Go anywhere they want instantly

Catch bullets in their teeth

Train 20 hours/day starting from age 2

Answer 1

I thought that Ninja was a motorcycle.

Answer 2

A refers to the ninjas dealing with oriental japan who assassinated and trained and did sneaky things, this is normally what ninja means, or to ninja which is to be sneaky and stuff.

The second one is a nerd metaphor for someone who takes valuable items (in video games) and doesn't care if the valuable items aren't distributed fairly, normally called a ninja-looter in full.