Redditor ZeroIsntTheHero recently got married - and the theme of their wedding wasn't a single nerdy topic like Star Wars, Doctor Who, or Mario - it was "things we love."
The invitations? NES cartridges.
The shoes? Doctor Who and Mass Effect inspired.
The guest book? Star Wars (obviously)
The first kiss? Xbox achievement.
The cake? LEGO.
The chair signs? Doctor Who.
...same with the card box.
The signature drink at the bar? Butterbeer.
The guest place cards? Mario.
The favor table? Yoda.
The getaway vehicle? Star Wars.