Dangmattsmith (stylized dangmattsmith) is an American YouTuber and comedian known for his reaction videos. He first created his YouTube channel on August 17, 2011. As of March 2019, his channel had over 7.9 million subscribers, making it the 566th most-subscribed channel on YouTube. He won the award for "Best YouTube Comedian" at the 10th Shorty Awards in 2018.