The Three Kings - also known as Epiphany - is a traditional festival where a parade with Melchior, Caspar, and Balthazar goes through Alicante from the harbor (where they are said to have arrived).
The parade started off with minions and pop-culture characters, but it was when the first of the three kings arrived that the kids around me went wild: MELCHIOR! MELCHIOR!
, and the same for Caspar and Balthazar.