Michael Tierney, professionally known as Joe Blow, is an American adult film performer and independent filmmaker born on January 24, 1965, in Hollywood, Los Angeles, California. Standing at 6 feet 2 inches tall, Tierney initially pursued a career in indie cinema before transitioning to the pornography industry in the mid-2000s. Adopting the stage name Joe Blow, he quickly rose to prominence as a hardcore porn superstar, renowned for his rugged 'woodsman' appearance, exceptional stamina, and prolific output. Over his career from approximately 2005 to 2010, he appeared in more than 340 adult films, working with major studios and traveling the world extensively. His journey—from struggling Hollywood actor to porn icon and back—is candidly explored in the 2013 documentary 'The Last Days of Joe Blow,' directed by Richard Wolstencroft. The film delves into his excesses, personal struggles, and decision to leave the industry. Tierney's story highlights the gritty realities of adult entertainment.