Conchobhar mac Nessa was a legendary king of Ulster in ancient Irish mythology. He is often depicted as a powerful and influential ruler, known for his leadership during the Táin Bó Cúailnge, a famous epic that tells the story of a cattle raid. Conchobhar is associated with the Ulster Cycle, a collection of tales featuring heroes and gods of ancient Ireland. As a character, Conchobhar is portrayed as both wise and ambitious, often navigating complex political and personal relationships. His reign is marked by conflicts with rival kingdoms and the challenges posed by the hero Cú Chulainn, who is a central figure in the Ulster Cycle.