The version Unlce John sings is th Lambton Wyrm. I prefer the spelling Wyrm for this song.
# Online Versions Here are some online versions of the song:
YOUTUBE XsO7SeCvgMw
Tony Wilson – “The Lambton Worm” (folk song from the North East)** – classic Geordie performance, easy to sing along to - youtube 
**Geordie Wilson – “The Lambton Worm (C.M. Leumane, 1867)”** – clearly presented as the traditional song, with strong dialect delivery - youtube
YOUTUBE zUVWdGwVBw8 (double-click to edit caption)
YOUTUBE tBT7rIVTlpQ
**Roly Veitch / BlaydonAces – “The Lambton Worm”** – another well-known North East folk rendition - youtube
# See - Uncle John