Sköll

In the Prose Edda tradition as summarized in modern reference sources, Skǫll is named as a wolf that pursues the personified Sun (Sól) across the sky. He is presented genealogically as one of the giant wolves associated with Fenrir—the summaries state Sköll is a son of Fenrir and a giantess; scholarly discussion (e.g. Rudolf Simek) treats some genealogical identifications and the relationship between Sköll, Hati, and Fenrir as interpretive hypotheses rather than uniform, uncontested tradition.

Sköll is described in the sources simply as a wolf that chases the Sun’s chariot across the sky. The provided summaries supply no further consistent physical details (size, color, or other distinctive marks). Some modern scholarship (attributed to Simek) reads the wolf-image as a poetic mapping onto sky-patterns (e.g., star-clusters or atmospheric phenomena), but that is an interpretive proposal rather than a primary-text physical description.

Textual attestations attribute to Sköll the relentless behavior of pursuing the Sun; the Prose Edda summary emphasizes that the Sun "goes at a great pace; her pursuer is close behind her and there is nothing she can do but flee," and that at Ragnarök the pursuer will catch and devour the Sun. Scholarly interpretations (Simek) propose that the wolf-chase motif may encode observation of phenomena such as parhelia (sun dogs) or star patterns (e.g., the Hyades), but these are interpretive correspondences, not described supernatural 'powers' in the primary account.