Dora, a new girl in Billy and Mandy's school, tricks Mandy into opening her "lunchbox." Grim and Billy appear on the scene, and Grim reveals the identity of the girl as "Pandora." Pandora then tells her backstory of being cursed to walk the Earth after Zeus gives her the box as a cruel, practical joke.
Norse Mythology was followed for a long time by the Norse people .Shaake the Norse people were a Germanic group that came to live in Scandinavia and just about anywhere else their ships would take them. The Myth off served to reflect thier lives and vaules and generally entertain them.