The father of FAFNIR, OTR and REGIN. When OTR was accidentally killed by LOKI, he was pretty miffed. He demanded a huge ransom in gold but got rather more than he expected when he fell under the curse of ANDVARI and was eventually killed by a transmogrified FAFNIR.
GodNote: Sorry this Hreidmar article is a bit short. We have sent our Data Dwarves off to find more nuggets of information. Stay tuned.