Abcán
According to Irish mythology, the Tuatha Dé Danann, the ancient Celtic deities of Ireland, included the dwarf poet and musician Abcán (spelled Abhcán nowadays). It was rumoured that he owned a bronze boat near the Assaroe Falls with a tin sail.
The dwarf Abcán is the one who transports the goddess Ruad from the Otherworld to this one in the Ruad death story, so that she can entice the human Aed Srónmár. She jumps into the water, drowns, and hears mermaids singing—or, in other versions, music from a fairy mound.
In another tale, Cúchulainn the hero, captures Abcán. He sets himself free by lulling the warrior to sleep with such an irresistible melody.
The dwarf musician Fer Í and Abcán are very similar, and Abcán may even go by a different name.
The Encyclopedia of Celtic Mythology and Folklore says he's either a god or not.
