Lady Stoneheart

Catelyn Stark (née Tully) is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin, and its television adaptation Game of Thrones.After her death during the infamous Red Wedding orchestrated by Walder Frey,her naked body was thrown in the river,and found by the Brotherhood without banners,and ressurected by Beric Dondarrion,who gives his life for hers through the last kiss of R'hllor.Catelyn's mutilated body emerges as a vengeful undead.She becomes known as Lady Stoneheart,and assumes leadership of the brotherhood.She is mercilessly hunting down and hanging anyone she considers a Lannister collaborator.

It is as of yet unknown if Lady Stoneheart will appear in the TV series adaptation.