Diabetic ketoacidosis (DKA) is a life-threatening condition that develops when cells in the body are unable to get the sugar (glucose) they need for energy because there is not enough insulin. When the sugar cannot get into the cells, it stays in the blood.
Impractical Jokers. For the British television series, see Impractical Jokers UK. Impractical Jokers is an American hidden camera-practical joke reality series that premiered on TruTV on December 15, 2011 and is produced by NorthSouth Productions.
Talk48 Share. The Joker is a supervillain and the archenemy of Batman. He was first introduced in Batman #1 (Spring 1940) and has remained consistently popular. The Joker is a master criminal with a clown-like appearance, and is considered one of the most infamous criminals within Gotham City.