In Irish mythology

Irish mythology

The mythology of pre-Christian Ireland did not entirely survive the conversion to Christianity, but much of it was preserved, shorn of its religious meanings, in medieval Irish literature, which represents the most extensive and best preserved of all the branch and the Historical Cycle. There are...

, is Cichol or Cíocal Gricenchos the earliest-mentioned leader of the Fomorians

Fomorians

In Irish mythology, the Fomoire are a semi-divine race said to have inhabited Ireland in ancient times. They may have once been believed to be the beings who preceded the gods, similar to the Greek Titans. It has been suggested that they represent the gods of chaos and wild nature, as opposed to...

. His epithet, Gricenchos or Grenchos, is obscure but may mean "withered foot" or "footless".

Seathrún Céitinn records a tradition that he arrived in Ireland

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

 one hundred years after the Flood, with fifty men and fifty women on six boats. His people lived on fish and fowl for two hundred years until Partholón

Partholón

Partholón, in medieval Irish historical tradition, was the leader of the second group of people to settle in Ireland, supposedly first to arrive after the biblical Flood. They arrived in 2680 BC according to the chronology of the Annals of the Four Masters, 2061 BC according to Geoffrey Keating's...

, bringing the plough

Plough

The plough or plow is a tool used in farming for initial cultivation of soil in preparation for sowing seed or planting. It has been a basic instrument for most of recorded history, and represents one of the major advances in agriculture...

 and oxen, invaded and defeated them in the Battle of Magh Ithe

Magh Ithe

Magh Ithe was the location of the first recorded battle fought in Ireland, dated to 2530 Anno Mundi , or 2670 BC, in the Annals of the Four Masters...

.