Orthrus Picture

Orthrus, along with the herdsman Eurytion, guarded the red cattle of the "sunset" island Erytheia. Orthrus was owned by the three-bodied giant Geryon, a close relative (first cousins once removed = Geryon is the grandson of Medusa, who is the aunt of Orthrus).
Aegir 16 - Fancy rat
Mighty Thunderbird
Orthrus
Thor and Jormungand
A quest to get Mjolnir back