What are the names of the wolves of the stark children?

The Stark children each have a direwolf companion named after them. The wolves are named: Ghost for Jon Snow, Nymeria for Arya Stark, Summer for Bran Stark, Shaggydog for Rickon Stark, and Grey Wind for Robb Stark. Sansa Stark's direwolf is named Lady, although she is the only Stark child whose wolf does not survive the series.