Attorney Tony Buzbee (left) represents clients in lawsuits alleging sexual abuse against Sean "Diddy" Combs (right).Elizabeth Conley/Houston Chronicle via Getty Images; AP Photo/Peter Kramer, fileAn anonymous celebrity has sued attorney Tony Buzbee, accusing him of an extortion plot.Buzbee represents clients in sex abuse lawsuits against Sean "Diddy" Combs.The Texas-based lawyer slammed the lawsuit as "not only without legal merit," but also "laughable."A mystery celebrity has accused the high-profile Texas attorney who is representing dozens of clients in sex abuse lawsuits against Sean "Diddy" Combs of orchestrating an extortion plot meant to destroy his reputation.The plaintiff, identified only as "John Doe," alleges in a newly filed lawsuit that attorney Tony Buzbee and his law firm are "shamelessly attempting to extort exorbitant sums from him or else publicly file wildly false horrific allegations against him."The plaintiff's lawyer identified him in court papers as a "celebrity and public figure" who lives in Los Angeles.