Eikþyrnir (“Oak-Thorny” the hart) and Heiðrún (“She-Goat”) have fun on top of Valhalla in this illustration from a 17th-century Icelandic manuscript.

Eikþyrnir (“Oak-Thorny” the hart) and Heiðrún (“She-Goat”) have fun on top of Valhalla in this illustration from a 17th-century Icelandic manuscript.