Hahahaha...
My name is Rayna but plenty of my friends call me "Rain" or "Puti" (because of my fair complexion), my family and relatives call me "Joann" and some of them even call me "Jo" (my first names are Rayna Joann). My sisters are called "Leng" (Marinelle) and "Ute" or "Dothy" (Dorothy). My brothers are called "Raygan" (Raymundo Jr.) and "Dada" or "Ngets" (Darwin).
Plus, most Filipinos have at least 2 first names, some even have 3 or 4!!!