The filing caught George Gervin, the Hall of Fame NBA guard who built an entire basketball legacy around that very nickname, completely off guard. Gervin, now 73, has been “The Iceman” since his silky-smooth scoring days with the San Antonio Spurs in the late 1970s and early 1980s. Within a week of Williams submitting his paperwork, Gervin filed his own trademark claim — making clear that he had no intention of ceding the moniker to a 23-year-old quarterback, no matter how electric his playoff run was.