The Ni-Ou (仁王?), also known as the Kongorikishi, are two protectors of Buddha. They are portrayed as overtly muscular and filled with anger and wrath; however their function is to protect the Buddha. One is named Agyo (or Kongo Naraen), and is depicted with his mouth open. The other is named Ungyo (Kongo Misshaku), and is depicted with his mouth closed. They are both said to be manifestations of Dainichi Nyorai.