How John Davidson became a household name in iconic BBC documentary about debilitating Tourette's tics that made him swear at the Queen, spark a bomb threat and yell racial slurs at the BAFTAs
John Davidson became prominent after the programme John's Not Mad, back in 1989 - and now faces fresh scrutiny after shouting the N-word at an awards showcase.
Black News 
John Davidson became prominent after the programme John's Not Mad, back in 1989 - and now faces fresh scrutiny after shouting the N-word at an awards showcase.
