Angry Grandpa

Charles Marvin Green Jr. (October 16, 1950 – December 10, 2017), better known as Angry Grandpa or simply AGP, was an American internet personality and former firefighter. With his son, Michael, he had a YouTube channel, "TheAngryGrandpaShow", that had over four million subscribers.
Green was born on October 16, 1950 in Chatham County, Georgia. He had bipolar disorder and suffered from skin cancer.
In October 2017 , Green was hospitalized for cirrhosis, kidney stones and pneumonia. His health began to get worse when he suffered from high ammonia levels. He died at his home in Summerville, South Carolina on December 10, 2017 of problems caused by cirrhosis. He was 67 years old.