Loki

Loki is a god in Norse mythology. Loki engineers the death of the beloved god Baldr and is bound by the gods and suffers from serpent venom. His wife Sigyn collects the venom in a bowl. However, she must empty the bowl when it is full and the venom that drips in the meantime causes Loki to writhe in pain, thereby causing earthquakes. As part of the events of Ragnarök, Loki is foretold to eventually break free from his bonds and, among the forces of the jötnar, to go to battle with the gods, during which time he and his monstrous children play a key role in the destruction of humanity down to all but two humans. Loki has a particular enmity with the god Heimdallr, and they are foretold to kill one another during Ragnarök. He is the son of Fárbauti and Laufey, and the brother of Helblindi and Býleistr. Loki is married to the goddess Sigyn and they have two sons, Narfi or Nari and Váli. By the jötunn Angrboða, Loki is the father of Hel, the wolf Fenrir and the world serpent Jörmungandr.

Data Source : Wikipedia