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But Green, who admits he is figuring out his business as he goes, sometimes with the cameras rolling, said he isn’t worried about having his struggles documented for all the world to see. Ultimately, the sculptor — usually covered in wood shavings, wearing sunglasses, a knit cap, and a sleeveless T-shirt revealing a chain saw tattoo on his right arm — just wants to live up to the expectations of family and friends who have supported him through the years, and hopefully become a rock star along the way. “I want to be the most recognized chain saw sculptor in history,” he said. “I mean, how cool is that?”