and then there are animal things made out of plastic called sylva or something. I think it is a bug psychic combo or something http://en.wikipedia.org/wiki/Sylvanian_Families --- "Fools set the rules in this world. Just take a look around. It's Undeniable." Self Proclaimed Matt of your board
Sylph also refers to spirits. Since the other language names reference fairies and nymphs, which are also spirits, and all feminine spirits at that, this is likely what the name is referring to. Not forest.