
1) Arthurian character
Found on
https://www.crosswordclues.com/clue/thunderdell

Thunderdell, also recorded as Thunderdel, Thunderel, Thundrel, Thunderdale, or Thunderbore, was a two-headed giant of Cornwall slain by Jack the Giant-Killer in the stories of Tabart and others. Jeff Rovin`s The Encyclopedia of Monsters (New York: Facts on File, 1989) misspells Thunderdell as `Thunderel`, and after describing him, proceeds to t......
Found on
http://en.wikipedia.org/wiki/Thunderdell
No exact match found.