I haven't used Gorilla Glue personally, but I've heard secondhand accounts I consider trustworthy. Supposedly the stuff sort of expands as it dries a little, like a balloon.
It might work great, but I'd be scared to use it on figures :/ I'm looking for some two-part epoxy for parts on my figures that need to stay glued (for example I'm considering basically swapping neckposts on these two figures and I really need it to stay attached!), and trust superglue for most other things.