I hear that if you go into a supermarket in Latvia and take a box of cereal off the shelf, you'll find that it's marked with the sign of the Grain God: Jumis.
I say God of Grain, but Jumis (you-miss) is much more than that. His name means “double” or “twin” (it's the same as Sanskrit jama, “twin,” or Latin Gemini, for that matter), and doubled things are his: twins, double fruits and nuts, eggs with two yolks. Abundance, fertility, marriage, all the good things: these are his gifts. His sign, shown above, represents two crossed grain stalks, heavy heads hanging: it is, one might say, shorthand for “sheaf.” (The motif has been used continuously in Latvian art since the Bronze Age.) He is the Baltic John Barleycorn, the Latvian Frey, the merry big-dicked god of bread and beer and other good things.
The harvest is, of course, his special feast, and lots of hymns to him survive. Many of them, like harvest songs everywhere, tend towards the bawdy. A stanza from one of my favorites: