Perhaps his greatest performance to date at senior level was in Welford Road last season when alongside Paul O'Connell he tamed the mighty Martin Jonhnson to help Munster record another in a long line of famous victories.
Munster Player Profile:
Name: Donnacha O Callaghan
Star Sign: Aries
Place of Birth: Cork (Thank God)
Other sport that I play now: Surfing Reading(Books)Hide and seek with my nieces and nephews
Other Sports I ve Played: Gaa Football with Bishopstown. Basketball with Blue Diamonds.
Best part of being a pro rugby player: Doing a job I really love and the friends I ve made through it.
Worst part of being a pro rugby player: Nothing, I wouldn t change one thing
Worst job I ever had: Working for my brother Emmet, 8 till 5.30, Monday to Saturday and getting paid peanuts.
Biggest influence on rugby career: My family, particularly my brothers Ultan and Eddie
Rugby player I admire most: Martin Johnson and Paul O Connell
Other sportsperson I admire most: Roy Keane. Lance Armstrong, Steve Redgrave
Other than Munster the side I would like to have played for: Baba s or Young Munster.
Favourite soccer team: Liverpool, Celtic Cork City
One rule change to make rugby more attractive: Introduce Lady referees with tight tops and short skirts. More than 5 points for a try.
What Career would you have chosen other than rugby? Would have worked for my brother Emmet as a plasterer.
Career when rugby career is complete: Work in a Video Shop (get loads of free movies, popcorn etc)
Ireland, excepted, your fancy to win the RWC: France.
It s the end of the season and you ve been offered a choice of, All expenses paid week-long one-to-one warm weather clinic with Alan Gaffney
All expenses paid week long one-to-one warm weather clinic with Jeannifer Lopez.
Your decision and why ?:
That s an easy one. I would have to go with Gaffer, he has a smaller bum than J Lo and I'd say he'd be much better craic.
Next up a player who has been in the headlines recently for what even he would admit are all the wrong reasons.