Charles Marvin Green Jr. (October 16, 1950 – December 10, 2017), better known as Angry Grandpa or simply AGP, was an American Internet personality. His videos were featured on HLN's Dr. Drew, TruTV's Most Shocking, Rude Tube, and MTV's Pranked. His YouTube channel, "TheAngryGrandpaShow", has over 4.3 million subscribers and over 1.1 billion views. His second channel, "GrandpasCorner", was his personal channel where he shared stories about his personal life along with a special weekly segment called "Mailbag Monday," where he opened up packages and read letters sent in by viewers. His fanbase is known as "Grandpa's Army", and he affectionately referred to them as "youngins". Green died on December 10, 2017, of cirrhosis of the liver, at the age of 67.