I made this guy in Blender, for the model I started from two archimedean spirals and a solidify modifier. All the materials are procedural and rendered it with Cycles. The glitter uses a Cell-Voronoi texture, to create patches of metallic material, the foamy uses Intensity-Voronoi texure with two different scales to create the little bumps in a dielectric material.
I hope you like my little snails!
"A little snail made of foamy and glitter, living his snaily life in a foamy little world."