The 35-year-old first made a name for himself on the Lions tour to Australia in 2001, scoring a breathtaking try in the first Test in Brisbane.
And Ireland flanker Peter O'Mahony believes very little has changed.
"He was the first superstar of Irish rugby and always very exciting to watch," said O'Mahony.
"You wouldn't even have to go looking for him - you would see him on the TV screen so often because he was carrying so much ball, breaking lines.
"He was probably a bit raw at the time.
"Video analysis wasn't the same and defences weren't the same so he was making big, long breaks and it was very impressive to watch.
"Not much has changed, really - last weekend he was running over guys. He used to run around them, now he goes over the top of them."