What is the strongest version of Godzilla that Ancalagon the black (Middle Earth: Silmarillion) can defeat?

Calculating the size of Glaurung : r/tolkienfans

504519 - safe, edit, edited screencap, screencap, basil, reginald, spike, dragon, dragon quest, dragonshy, g4, owl's well that ends well, secret of my excess, ancalagon the black, black dragon, comparison, firedrakes of

NO SPOILERS] Westeros's Drogon(short necked, younger and faithful) vs Middle Earth's Smaug(Long necked, badass, intelligent, without a master). Who would win? Personally, I prefer short necked dragons but Smaug might can easily

The Rings Of Power Could Make Smaug & Shelob Look Pathetic

the lord of the rings - How on (middle) earth did Eärendil kill a dragon as huge as Ancalagon? - Science Fiction & Fantasy Stack Exchange

Dragon scale: Why it's impossible to size up Tolkien's Middle-earth

The One Ring :: View topic - Glaurung the Golden

Biggest dragon in popular-culture? - Page 3

What is the size difference between Ancalagon the Black and Smaug? - Quora

David Grigoryan - Silmarillion. Illustrations