While Badb’s role in battle was sowing confusion and discord in battle, her sisters played different parts. Nemain was a spirit of frenzied havoc in battle, and Macha had more to do with slain warriors. The three sisters are together known as the Morrigan (sometimes the Morrígna), a triple-goddess with three aspects. Some sources, however, refer to Nemain as Morrigan, with Badb and Macha being different forms she could take.
Badb - Celtic War Goddess, also known as Badb Catha (battle Crow). Part of the trio of war goddesses known as the Morrigna along with Macha and Morrigan. Associated with war and death, foreshadowing imminent bloodshed, participating in battles, and harbringer of doom are all characteristics of the Badb
NEMAIN (Nemainn, Nemon,Neman, Némain, Neamhain, Nemhain,Nemain )was a shadowy early Irish war-goddess, and wife or consort of Néit son of Induí son of Tuireann Delbáeth, along with Fea Badb, whose identity she may share. Old Irish texts cite three goddesses of war, Badb, Macha, and Mórrígan, known collectively as Mórrígna. Sometimes Nemain is substituted in the trio for either Badb or Mórrígan.
BADB..BADHBH..BABD Name means: crow Irish Celtic Goddess of Battle. She was one of a group of war dieties who could influence the outcome of conflict by inspiring the combatants with fear or courage. The others were known as MORRIGAN, NEMAIN and MACHA. Myth connects Badb with the historical battle of Clontarf in 1014, when the High King Brian defeated the Viking invaders and Badb was said to have appeared over the worriors heads.