John Patrick "Jack" Douglass (June 30, 36 years old), better known on the Internet as jacksfilms, is an American YouTuber, sketch comic, and musician. He is known for satirical comedy videos, parodies, and series such as YIAY and Your Grammar Sucks. He has 4.96 million subscribers, an allotted 6.18 million subscribers across all his YouTube channels, and an allotted 2.82 billion views across all his videos from all his YouTube channels.