https://en.wikipedia.org/wiki/Giant_(Dungeons_%26_Dragons)

https://rpg.stackexchange.com/questions/201708/what-are-the-creative-origins-of-the-storm-giant

Spooky Archaeology by Jeb Card.

https://archive.org/details/LovelockCaveLoudAndHarrington1929

http://www.mythencyclopedia.com/Mi-Ni/Monsters.html

https://archive.org/stream/senecalegendymyth00curtrich/senecalegendymyth00curtrich_djvu.txt

https://sacred-texts.com/nam/ca/dow/dow73.htm

https://yokai.com/umibouzu/

https://aunamendi.eusko-ikaskuntza.eus/en/gentiles/ar-62712/

https://en.wikipedia.org/wiki/Olentzero

https://en.wikipedia.org/wiki/Ispolin

https://medium.com/five-guys-facts/carnivorous-plants-d347b9706179

And the 5th Ed Monster Manual