He was fond of catching and eating fish, and had a small rock in the deep water which is known to this day as the "Wulver's Stane".
He was reported to have frequently left a few fish on the window-sill of some poor body.In previous publications, Saxby spelled the word as "wullver.
"[8][9] After researching folklore traditions gathered primarily from Gaelic areas of Scotland,[10] an authority on congenital disorders, Susan Schoon Eberly, has speculated that the tale of the wulver may have its basis in humans suffering a medical condition; possibly Hunter syndrome or lycanthropy, she suggests.
[11] This theoretical basis of wulver lore has been criticised as not useful, or, especially, reliable, particularly given a lack of any surviving detailed description of the wulver; the malleable and shifting nature of oral traditions; and the existence of other, analogous, mythological creatures in many folklore traditions (suggesting that tales of such creatures are likely to spontaneously arise in many places).
[2] In this interpretation, Jakob Jakobsen and John Spence had mentioned a hill called Wulvers Hool in their writings, stating that it was named after a fairy.