Manannán mac Lir, Manawydan fab Llyr – (Insular Celtic) The god of the sea, the Otherworld, magic and wisdom, he is sometimes called the king of the Tuatha Dé Danann. He is associated with many magical items, and fosters several Irish heroes, including Lugh. His wife is the sea-goddess Fand. See Njord

Nechtan, Nethuns – (Irish; Etruscan) The keeper of the Well of Segais, he is a deity of wells, waters, healing and wisdom, very similar to the Norse Mimir. See Nuada, Njord

Njord, Néorð, Niorð – (Germanic) The god of the seacoasts, sailors, wind,  harbors and safe passage, he is the father of Frey and Freya, and brother of Hertha. He may be the same figure as the Celtic Nodens/Nuada. See Nuada, Nechtan

Nuada, Nudd Llaw Eraint, Nodens – (Celtic) A pan-Celtic god of fishing, water, hunting and healing, he is famous for his magical hand, said to be made of silver. See Njord

Podaga – (Polish) The god of fishing, farming, weather and hunting. See Njord

Veles, Weles, Volos – (Slavic) The Slavic god of the Underworld, he is associated with death, dragons, cattle, magic, musicians, wealth and water. He is the eternal enemy of the Sky-God. His closest cognate in terms of function and influence is the Germano-Celtic Cernunnos; he may also have some connection to the god of the sea, Njord. See Herne, Cernunnos, Njord