The significance of his name is that his last name sounds sort of creepy and dark -CHILLING-. He is supposed to represent sin in the novel and so his name ties into several of the key themes
she might pooh in her pants
Roger Rogerson's birth name is Roger Dowding.
Roger Vercel's birth name is Roger Crtin.
Roger Torrey's birth name is Roger Pugmire.
Roger Mooney's birth name is Mooney, Roger A..
Roger Lion's birth name is Roger Juda.
Roger Jett's birth name is Baker, Roger.
Roger LaVern's birth name is Roger Jackson.
Roger Duchesne's birth name is Jordaens, Roger.
Roger Hanin's birth name is Levy, Roger.
Roger Karl's birth name is Trouve, Roger.
Roger Wilko's birth name is Roger Wilkerson.