And a lot of the dwarfs names end in “y” like Sleepy and Dopey and Stealthy so Dreamy sounds like a dwarfs name. So maybe Grumpy was Dreamy before and that when everything went wrong for him that was what made him Grumpy. Something about that dialogue with Snow, which was such a great scene, seems weighted and would be interesting in light of the idea that Grumpy may not have always been called Grumpy.