sentence: '' celebrities that key impersonated on the show include ludacris , snoop dogg , matthew lillard , bill cosby , al roker , terrell owens , tyler perry , robin antin , keith richards , eddie murphy ( as his character james '' thunder '' early from the movie dreamgirls ) , sherman hemsley ( as his character george jefferson on the jeffersons ) , charles barkley , sendhil ramamurthy ( as mohinder suresh ) , tyson beckford , seal ( originally played by jordan peele until peele left the show at the end of season 13 ) , sidney poitier , lionel richie , barack obama ( ironically , jordan peele would play obama on key & peele while key would play obama 's anger translator , luther ) and kobe bryant .