FTP, name this father of Oscar and son of Finn MacCool, a famous poet in Celtic myth.
FIST  Editors Packet #1  In one story, this figure is sent to the island of Fuarfed to aid the king Malorchol in battle against Tonthormod, while in another he is driven to set sail after dreaming of the shadow of Trenmor. He wins three games of chess when Diarmuid helps him by dropping berries on the piece he's supposed to move. He relates that he came to the aid of Crothar, the king of Croma, to console the lover of his deceased son Malvina. He is given the horse Embarr, but when its golden saddle breaks, the fact that this figure had spent the last 300 years in Tir-na Nog with his lover Niamh causes him to turn into an old man upon touching the mortal soil of Ireland. His name stems from his mother Sedb being turned into a deer. FTP, name this father of Oscar and son of Finn MacCool, a famous poet in Celtic myth.
FIST  Editors Packet #1  In one story, this figure is sent to the island of Fuarfed to aid the king Malorchol in battle against Tonthormod, while in another he is driven to set sail after dreaming of the shadow of Trenmor.
{Ossian} (or Oisin)