28 year old Australian goalkeeper Michael Theoklitos became Norwich's fourth signing of the 2009 summer when he signed a two year deal on 8th July 2009.

Michael started out with Victoria side Bulleen Inter Kings in 1998 in his native Australia and then had spells at Bulleen Zebras and South Melbourne before moving to New Zealand side Football Kingz in 2001.

Theoklitos made 20 appearances for the Kiwi club before moving to England and Blackpool in 2002. But unfortunately injury restricted his appearances to just three games for Blackpool and he returned home to Australia and former club Bulleen Zebras.

Consistent performances for the Zebras that season culminated in the side reaching the final of the Victorian Premier League and saw three penalty saves by Theoklitos helping them to victory. His performances ultimately led to him joining Melbourne Victory for their inaugural season in the 2005-06 A-League.

During his time at Victory he established himself as one of the best keepers in the country - becoming 2007 Hyandai A-League Goalkeeper of the Year and playing an integral part in his side's Premiership and Grand Final success in 2008-09, keeping five clean sheets during the climax to that season. In total he made 72 appearances for the Melbourne Club. He declined a new contract witht he Victory in May 2009 and left the club in July 2009

Although selected by Australia on two occasions, he has yet to make an appearance for the Socceroos - his latest call-up was against Kuwait back in March 2009, where he was an unused substitute. With Greek ancestry he has also received interest from their national association but so far has only featured for Australia.

Michael came to Norwich on trial in March 2009 where he impressed Bryan Gunn and Paul Crichton, before returning to Carrow Road on 7th July 2009. Gunn said of his new signing "“Michael has always been the number one target this summer, so obviously I'm delighted he's put pen to paper"

Michael made his debut for Norwich in the 7-1 shock home defeat to Colchester on the opening day of the 2009/10 season

Rumours circulated in mid-December 2009 that Michael had returned home to sign for new A-League side Melbourne Heart. Although this was not true, Michael was finally released by the Canaries in March 2010, having made just the one fateful appearance for the Canaries.

On 13th March 2010, it was announced that Michael had signed a three year contract with the Brisbane Roar. In his first season, he surprisingly set an Australian A-League record of going 876 minutes without conceding a goal.

He changed his name by deed poll to Michael Theo in the summer of 2012

He left Brisbane in July 2018. After a career break, he joined Nunawading City on 1st July 2019.

He became goalkeeping coach for Western United in 2021 and became Nunawading's assistant coach in 2022.