Hati

"Hati is the name of the wolf,
Hróðvitnir's son,
Who chases the bright bride of the sky."

Hati, he who hates, the son of Fenrir. He resides in Járnviðr on Jotunheim, where he leads a pack of wargs alongside his brother Sköll. He is fated to chase the moon until Ragnarok, when he will kill her.