Other draconic creatures, the Bašmu and ušumgal also look in text from your Akkadian time period, with by far the most recognised currently being the Mušmaḫḫū, meaning ‘reddish snake’ or ‘fierce snake, https://crithitceramics.com/mastering-the-goblin-wizard-in-dd-5e-tips-and-tricks-for-all-ages/