Dexter is dexy, dex, sexy dexy, sexy dexy boo boo bear, boo boo bear, or "gorgeous boy"
Shiloh is shigs, shiggies, shigifer, shigatitus, hepatitus shigs, shigger, or shiggy shiggy roo roo, or just plain old roo roos
Tyson so far is ty ty, hammer von hammerstein, tiggity tiggity tyson, or just tiggity.
As a group they are the "wuppitor puppitor pup wup wups" or the "muppies"
I can sincerly thank my amazing fiance for all the name creations, except sexy dexy i started calling him that when he first came home, but all the other names stems from andrew and his creative side.