In Norse mythology, the god of mischief is Loki. He is known for his cunning and chaotic nature, often causing trouble among the gods. Loki's actions frequently lead to both fascinating and disastrous consequences, impacting the balance of the cosmos and relationships among the gods, especially with Odin and Thor. Despite his antics, he holds a significant role in many myths, further intertwining him with the fate of the Norse pantheon.