Griffin was born in Milford, Connecticut, and grew up in Trumbull, Connecticut. He attended St. Joseph High School in Trumbull and later enrolled at the University of Connecticut, where he studied business management. However, he dropped out of college after two years to pursue a career in social media.
Griffin began his social media career in 2013 by posting prank videos on Vine. He quickly gained a large following on the platform and soon transitioned to YouTube, where he continued to post prank videos and other comedy content. In 2018, he met Logan Paul and began collaborating with him on a variety of projects, including vlogs, challenge videos, and podcasts.
In 2019, Griffin co-founded the Impaulsive podcast with Paul and George Janko. The podcast has quickly become one of the most popular podcasts in the world, with over 100 million downloads. In addition to the podcast, Griffin has also appeared on several television shows, including "Ridiculousness," "The Late Late Show with James Corden," and "The Ellen DeGeneres Show."
Griffin is also an entrepreneur and has launched several successful businesses, including a clothing line called "The Hangover Shop" and a line of energy drinks called "Prime Hydration." He is also involved in several charitable organizations and has donated money to a variety of causes, including the Make-A-Wish Foundation and the American Cancer Society.
Griffin is a controversial figure and has been criticized for his pranks and for his use of offensive language. He has also been sued for defamation by several individuals, including YouTuber Trisha Paytas. Despite the controversy, Griffin remains one of the most popular social media personalities in the world.