The World’s largest tattoo convention tour is coming to Portland, OR for the Portland Tattoo Arts Convention. Get Tattooed by some of the best local, national, or international tattoo artists. Also Tattoo TV Celebrities. Vendors with every supply a tattoo professional could need. As well vendors geared toward the tattoo enthusiast, with everything from jewelry, clothing and artwork, See great Side show entertainment and live human suspension to round out an amazing weekend of fun.