They are truly talented artists who conjured up this terrifying look for Dragon King unmasked.
Any comic book lovers who were familiar with Dragon King, especially in relation to Stargirl, were expecting to see a Lizard/Man hybrid underneath the mask.
We went through a few generations before landing on the final product that you saw in Episode 10.
That appearance was the result of many decades of self-experimentation to imbue himself with powers of regeneration and longevity.