Jim Hall, also known as the Blue Comma, is a retired Baltimore urban planner and body modification artist who has devoted much of his life to transforming his body into an artwork by tattooing his entire body blue and having a variety of body modifications, a process which he started in 1967.
[1][2][3] As of 2014, he was listed by Guinness World Records as the second most tattooed person in the world.
[4] Hall's body modifications include a variety of piercings and implants, including genital modifications.
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