i really think all of these would work, Goblins have always been described as being pretty divers looking mostly because it was originally a blanket term for mischievous little creatures, that being said i think all of these look like the could be the same species but express different genetics, much like humans and dogs. In fact, i imagine that goblins were originally breed for different things by some evil master, seeing as they are the go to fantasy canon fodder bad guy, evil over lords bred them to look different like dogs, possibly to differentiate them from other evil overlords goblin armies. But they never became too divers that they became different species. Then, all the evil over lords were defeated, the goblins were left homeless and just sort of re-mingled and diversified. Of course this is all just pure imagination that i got from looking at your wonderful art. That being said, all of what i just typed would make an interesting back story for goblin folk in a fantasy novel or something, really explore who goblins are beyond typical dungeon baddies. Or maybe i'v just been up for too long. anywho, great art, really great work.
I LOVE what you did here. You melded a bestial, nocturnal animal to them, but at the same time, they are unmistakably feminine. I especially like the bottom left and bottom middle ones. Neither is very "human", but both have a sort of dangerous, feral attraction to them. Love them!