Heimdall, son of Odin and the nine daughters of Aegir and Ran, called the Billow Maidens or Waves; was guardian of the Bifröst, the Rainbow Bridge which is the closest to come to a "goddess of the rainbow"; either the Bifröst/Heimdall, or the nine Wave/Billow Maidens.
leto was the norse goddess of hunt
The Norse goddess of hearth was Frigga. The Greek goddess of hearth was Hestia.
Iris was the goddess of the rainbow.
A Norse goddess.
Actually there is a Norse Goddess. Niorun is the Goddess of dreams.
Freya is a Norse goddess, not Greek. The Norse people did not have a calendar of mythic events.
There is no Norse goddess of mischief, however there is a Norse god of mischief - Loki. It may be the the asker wishes to know the Norse goddess of the underworld - her name, in fact is Hel, and her domain is also known as Hel (one "l" not two).
Go to www.google.com and type in Norse goddess Thrud.
The Goddess FreyaFreya was the Norse goddess of beauty, physical love, sidhr magic and she was also known as Queen of the Valkyries.** Also the Norse god Baldr.
she is the goddess of fertility and beauty
Freya
uegir