I was always teased about my Italian origins.
The usual joke was about the Italian tank with seven gears.
One forward, six reverse.
I used to answer " the forward gear was incase the English sneak up behind them"
Then I used to hit them with these:
Hear about the Italian POW camp? It had an entry tunnel.
Hear about the Italian Aircraft with the 15 man crew?
Pilot, Co-Pilot, two gunners and a paratrooper. the rest of the ten men are to force the paratrooper out of the door!
Hear about the Italian battle flag? Its a white cross on a white bacground.
What's the smallest book in the world? The book of Italian war heroes.
After that, they usually gave up