In case you wanted to make it really obvious you were writing a Mary Sue (just kidding - though do be careful with these names, you don't want to be super overbearing with the uniqueness)
Newborn personalized hat, hand embroidered with name of your choice. Custom beanie knot hat. Coming home outfit. Newborn Photography by KnotsandPolkaDots on Etsy
Sometimes Miracles come in Pairs Monogram Twins by WildEyesSigns, $68.00
We may need these if the girls are identical...Newborn Size Twin Girls ID Bracelets Set of by MonkeysNMunchkins, $15.00
Decal Vinyl Wall Decal Sticker name with patterns by Modernwalls
The TOP 100 baby names for 2015!
Twins Vinyl Wall Decal Large Nursery Bedroom Two to Kiss Two to Hug Housewares Twins on Etsy, $32.00
150 Popular Middle Names For Boys