A utility player, O'Dwyer played at centre, five-eighth, second row and lock at different times during his career.

[2] O'Dwyer made his first grade debut for the Eels in 2004, coming off the bench in their round 1, 26–18, victory over the Brisbane Broncos.

O'Dwyer missed the club's 2009 and 2010 finals appearances through injury and was also part of the Wooden Spoon team of 2011.

The O'Dwyer Shield is an important event in the Tweed Heads community with the Titans being involved every year.

[5] In 2010, St. Mary's Primary Casino filled in as a late minute inclusion for St. Joseph's who were unable to play in the match.