After 28 years in retirement, Eddie Murphy got on stage at the Mark Twain awards and gave an oustanding comedic performs in his 6 minute acceptance speech .\r<br>\r<br>Eddie Murphy jokes about Bill Cosby and does his famous impersonation of the troubled star during his acceptance speech for the Mark Twain Prize in .\r<br>\r<br>Eddie Murphy wins Mark Twain Award & impersonates Bill Cosby. It is very surprising that he would do this since he refused to do an impersonation at the .\r<br>\r<br>Eddie recalls imitating Bill Cosby when he accepted the Mark Twain Prize at the Kennedy Center and he reveals whether or not he heard from him afterward.\r<br>\r<br>
