In Greek mythology, one of these creatures was slain in a snowdrift by Heracles, and another was sent by Artemis to punish Oeneus before it was slain by Atalanta and Meleager.
The demon Hiranyaksha was defeated by a god in this form. While disguised in this form, the mortal Ottar served as a goddess' mount. In addition to Varaha and Hildisvini, examples of these creatures include Saehrimnir, which is killed each night by the cook Andhrimnir and fed to the inhabitants of Valhalla. Brokkr and Eitri crafted one of these for Freyr named for its golden features. In Greek mythology, one of these creatures was slain in a snowdrift by Heracles, and another was sent by Artemis to punish Oeneus before it was slain by Atalanta and Meleager. For 10 points, name these creatures that include Gullinbursti, the Erymanthian one, and the Calydonian one.
The demon Hiranyaksha was defeated by a god in this form. While disguised in this form, the mortal Ottar served as a goddess' mount.
boars [prompt on pigs]