If anyone want's to know the actual canonical answer, it's Kobolds.
Kobolds are considered dragonkin, due to having a very, very small amount of draconic blood in them.
Lizardmen are just irritable swamp folk with just enough intelligence to speak and barely craft things that are useful.
BB's description:
Patreon request:
Kobold and Lizardfolk arguing over who is closer to a Dragon.
I can only draw comics about psychological torture of Elves for so long, until I need to move on to psychological torture of other fantasy species.