coffee ninja

Any person who has extreme skills in the ancient art of coffee.

In Starbucks world, usually the people who wear the black aprons or the person you never see yet magically makes a yummy beverage appear in your hand.

(n) One who secretly steals the first cup of coffee from a fresh pot, even though he wasn't the one who made it, thereby circumventing the "first dibs" rule granted to he who made said pot of coffee.

Ninja Coffee is a mix of the strongest coffee in the world, tar, pep pills, and Redbull. No one but ninjas can withstand it's awesome power.

with the exception of jesus. But that might be because jesus is also a ninja.

Coffee Ninjas are usually local beings living in your neighbourhood and hiding in plain sight.
They appear tired with big bags under their eyes because of their nightly activities. They are also referred to as insomniacs and night owl.
You can easily befriend a coffee ninja by offering them some dark bitter coffee.
Coffee Ninjas are peaceful by nature but be careful not to disturb their piece or hurt their friends. They're wrath is scary

There's a reason they're called "ninjas"...