Johnny Trepple is a Knoxville native and one serious eBayer. Recently, Trepple sold a set of Flash Gordon Underoos for a record $6. That is $4 more than the last pair, which sold last year for $2. “You hang on to these items because some day they’ll be worth something. Maybe not tomorrow. Maybe not next year. But eventually, you can make money off it,” he explained. The Underoos were sold to an anonymous eBay user in Philadelphia. “I respect her privacy,” Trepple said. Presently, Trepple is auctioning off two pairs or Wonder Woman Underoos, a plush Snarf action figure from the Thundercats cartoon series, and an A-Team lunchbox.