I have nearly enough responses on the poll to publish the results. I want to just try to get one more to hit my minimum sample size. Thank you, everyone who's already responded!
TOP 5 FAVORITE THUMBLINGS
I've found so many that seemed impossible at first! Little Finger was Ditu Migniulellu. Three-Inch was Der Angule. Master Thumb was Nga-Let-Ma, or something like that, anyway. But I still have a list of resources I'm looking for.
This website is based on my research into folklore.