In Norse mythology ... The most powerful mythical dragon is Jörmungandr. Known as the world's serpent and the offspring of Loki, Jörmungandr is so big that he can encircle the entire earth.

Loki utilized its power in One Piece chapter 1141, and it was absolutely terrifying. This hammer seems to be based off of Mjolnir, the legendary hammer of Thor from Norse mythology. It is capable of ...

At first, fans saw the World Serpent Jormungandr in One Piece chapter ... which was quite clearly the Fenrir from Norse mythology.

Watch stories from Norse mythology told in a fun but faithful style for 7-9 year olds. Featuring Odin, Loki, Freya, Thor and many other gods, goddesses, giants and an array of unusual creatures!

Neil Gaiman stops by the WSJ Cafe to discuss his new book "Norse Mythology" and how his take on Thor, Odin and Loki is different from Marvel's comic book version. Photo: Getty Images Fort Knox Has ...