"At the bottom of the cake, hide whatever the groom likes. sports mascot, band logo, anything". or Spiderman. Always Spiderman. "Because it's just as much his day as it is yours" and Spiderman is awesome
See the groom without breaking the "groom shouldn't see the bride before the wedding" rule! - these pictures are adorable. Love this idea! Although I think it's a little unfair that the bride can see the groom - maybe blindfold both?