Wikipedia
Moccus
Moccus is a Celtic god who was equated with Mercury.He is the boar/pig/swine god of the continental Celtic Lingones tribe. Moccus was invoked as the protector of boar hunters, and warriors. Boar meat was sacred, and eaten in ritual feasts. The Lingones Lingones whose tribal center was at Langres were a continental Celtic-Germanic tribe located in the Seine and Marne rivers area of northeastern France, and were neighbors to the Germanic Treveri tribe. Another Lingones tribe was located near the mouth of the Po River in northeastern Italy, and were known for agriculture, weaving and metalworking.
There was a dedicated feast day to Moccus, He had a following in the Romano-Celtic time frame.