I should be able to attend as Scootaloo on Day 1. Most likely with a Gilda, as well.
Scootaloo - MLP:FiM (100% complete)
Cubone - Pokemon (100% complete)
Young Princess Bubblegum - Adventure Time (100% complete)
Crumbelina di Caramello - Wreck-it-Ralph (0% complete)
Edin - (0% complete)