One screams 'a cup of tea and a biscuit at home', the other says 'Aunty Mary is on the way' but there's one thing that Ireland CANNOT agree on.
Which is better, the humble custard cream or the fancy Viscount?
The two have faced off against one another in Dave's latest Instagram World Cup and we're flabbergasted by the results so far.
But that isn't the only controversial seeding-will the favourite Chocolate Hobnob fall at the first hurdle? Could the bourbon lose to the Oreo?
Colleagues are at war, couples are arguing at home-it's safe to say, we all have seriously strong biscuit opinions.