WWE posted the following statement on their website on Brian Christopher:
WWE is saddened to learn that Brian Christopher Lawler, who is best known in WWE as Too Cool’s Grandmaster Sexay, has passed away. Lawler, who is the son of WWE Hall of Famer Jerry “The King” Lawler, competed during the height of the Attitude Era. WWE extends its condolences to Lawler’s family, friends and fans.
You can read more about Christopher’s passing by clicking here.