Normally I wouldn’t wade in to such a question, but there are eight answers here, and none of them are by people who accept the premiss of the question, the Intercession of saints. Thank you for volunteering the opinion that all Catholic and Orthodox Christians are idolaters, Protestant and Muslim respondents, but clearly that’s not much of a answer.
And OK, I don’t personally accept the premiss of the question either, because I am an atheist. But being culturally Orthodox: I could do worse than appeal to my namesake, Saint Nicholas of Myra. Your namesake saint is supposed to have a special stake in your wellbeing. I’m not necessarily down with the fact that he supposedly slapped Arius in the face in the First Council of Nicaea; but at least he showed up to Nicaea. And at least we can be sure he existed, unlike some Orthodox saints (I’m looking at you, St Phanourios.)
And he’s not Santa Claus to me. That’s a Western, beef-eater notion. The gift guy to the Greeks is St Basil; Nicholas is the mariner guy:
This is the statue the Russian Government paid for to be put up at his church in Demre (ancient Myra):
Μεγάλη η χάρη του “Great be his grace”. You can see this guy slapping a theological opponent.
This is the Noel Baba sculpture that the local mayor replaced St Nicholas’ statue with:
OK, no pot belly, no Coke ads, and definitely no Ho Ho Ho; but that still ain’t my St Nicholas (Great be his grace).