Elvis looks like a light green recessive pied and I don't really know about Milky but I'm thinking a yellow face type II sky blue clear wing? They're both beautiful I'm sure an expert will come along soon who can tell you for sure!!
Accept that some days you are the pigeon, and some days you are the statue. Have bred all the currently recognised mutations including Brownwings, Darkwings, Saddleback, Faded and currently may have Dusk (to be confirmed).