Henry Winkler has the reputation of being the nicest guy in Hollywood, so we're sure he'd share his pint of Guinness.

British singer Ed Sheeran has the hair and everything. We can't be the first ones to notice this, right?

Amy Poehler's younger son, Abel Arnett, is definitely in training to be some sort of whimsical fictional character.

While Jack Nicholson definitely looks like a leprechaun, he looks more like the kind of leprechaun who'd stab you, not the kind who gives you gold. We definitely don't want to know what's at the end of his rainbow.

Mischievous smile? Scampering demeanor? Elfin stature? Check, Chloe Moretz.

David Spade is a tiny man who loves to play tricks. Has anyone run a DNA test on him lately...he may in fact BE part leprechaun.

Obviously. Susan Boyle is the ultimate Lady Leprechaun.

We can imagine Chris O'Dowd starring in some sort of Sexy Leprechauns calendar. He's already got the facial hair for it.