Credit: Photo by Marc Zimmer on Unsplash
In Ireland, the word we use for “monster” is “peist” (which is actually translated as ‘worm’ or ‘reptile’). That’s because our ancestors explained the creation of river routes with stories of giant, worm-like creatures who lived in waterways, being chased through the landscape by mythological heroes like Fionn mac Cumhaill (and later Christian Saints). In present day Scotland (which had the same cultural belief systems), that’s why traces of this belief system still linger with the story of Nessie in Loch Ness.
It’s possible they may have looked like this (but probably not!)