J. Jay Jones, also known as "Jonesy", played by Wings Hauser, is a recurring character seen on Beverly Hills, 90210, the first series of the Beverly Hills, 90210 continuity. he first appears in Season 5.
Jonesy was a private investigator and friend of Special Agent Christine Pettit. He was sent by Christine in response to a request for help by Dylan McKay. Dylan hired him to locate Kevin Weaver, Suzanne Steele, and Erica Steele after Kevin and Suzanne stole all of his money.
Jonesy eventually located them in Punta Brava, Mexico, and hatches a plan with Dylan and Valerie Malone to steal the money back. After a shootout and fight, they are successful in getting Dylan's money back. He gives Valerie a share, but states that he'll request a favor from her in the future as part of their deal.
He later returned and collected on his favor, getting Valerie to pose as a prostitute to catch a cheating husband in the act. However, the plan backfired and they are both arrested. David Silver comes to get Valerie out of jail and Jonesy was not seen again on the show.
However, when Valerie needed help locating Colin Robbins after he skipped town, she put a call in to Jonesy, who sent Richard Ballen to help her out, as well as told them via voice message that Dylan, who had been AWOL, was in London, England.