I wouldn't expect a man named O'Hannigan to be able to swot up a good Norwegian accent. In fact, given the ferocity with which my ancestors raped and pillaged his (not necessarily in that order), I would expect it to be blotted from his genetic memory altogether. Fortunately, The irreplaceable Yogi Yorgesson left us with an immortal seasonal classic to remember it by:
And Patrick? Sorry about that whole pillaging thing, man.