"How to Celebrate Independence the Right Way.especially his new lyrics to the "Like a Boss" song and the American Pie part.but then again, I really do love all of the examples, so it's hard to choose a true favorite!
Lovino and Feliciano growing up - Art by つまこ - I love how in the third panel North Italy is all badass and then compare that to the last panel XD (yeah but not into itacest)
England makes Monty Python references whenever possible. And every time he says “I wasn’t expecting some kind of Spanish Inquisition…,” Spain will, without a doubt, bust in through the door and yell “NOBODY EXPECTS THE SPANISH INQUISITION!
Hetalia characters' interactions with various animals (I think Ludwig's with Knut the polar bear, and Arthur's with flying mint bunny) - Art by Roomleader---- Poor Prussia XD