Glaurung & Niënor by Chris Masna : r/lotr

The only thing bigger than Ancalagon the black : r/Silmarillionmemes

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 Encyclopedia of Arda - Glaurung

Ancalagon The Black ( Silmarillion ) by Anato Finnstark : r/ImaginaryDragons

Reddit - Dive into anything

Ancalagon was killed 2 sentences after he was introduced but that two sentences was probably more than few years : r/Silmarillionmemes

Glaurung VS Red Death (Lord of the Rings VS HTTYD) : r/DeathBattleMatchups

My dragon brings fear in all free cities. Where is yours?” “Oh, here he is” : r/Silmarillionmemes

The Silmarillion - Turin vs Glaurung by Guillem H. Pongiluppi : r/ImaginaryDragons

Glaurung is to blame for this : r/Silmarillionmemes