'Martin O'Neill is a former Northern-Erse fitbaa player. Until resignin the post on 9 August 2010, he wis manager of Aston Villa. He maist famously played wi Nottingham Forest whaur he wan twa European Cup. As a manager he has managed Wycombe Wanders, Norwich Ceity, Leicester Ceity, Aston Villa an Celtic. In 2000 efter winnin twa Leage Cups wi Leicester he becam manager o Celtic the team he follaed syne he wis a bairn. At Celtic he enjoyed his maist successfu spell whaur he wan three League teetles, three Scots Cups an ae League Cups as weel as haein led the team tae the 2003 UEFA Cup Feenal. In 2005 efter 5 year in chairge o Celtic he haed tae staund doun as manager for tae keep an ee on his seek wifie Geraldine. He is regardit is a Celtic's greatest manager syne the umwhile great Jock Stein.