Sack Nibbler and Sock Nibbler are brother and sister dragons. Sack, the brother dragon, is a Frost Dragon. Sock, the sister dragon, is an Ancient Dragon. These two dragons appear on Fün Tits' way to kill Gaius Maro in Dragon Bridge. They are notable for killing two chickens, a guard, and Azzada Lylvieve, the man with "the worst name in Skyrim," according to Fün.