Astro is a vampire.
Okay! Here me out.
As we know, vampires are monsters that drink blood.
Ichor is toons blood, and farther evidence, Greek God blood was called "ichor". A popular headcanon for astro is that his twisted counterpart drinks ichor. Right? Yea?! Ichor=Blood vampires drink blood, astro= vampire.
And if thats not enough evidence!
If we go ALL the way back to the first vampire story, "The Vampyre" the vampire was NOT allergic to silver, and DID show up in photography and mirrors.
Okay, astro has around 2 canonical pictures , that aren't animated, of him. And what's a rule on the Dandys world rules? "No photography around Astro."
"Now, axoletta, how does silver and photography line up with each other?"
Silver was IN cameras! Also, look at his Halloween skin, looks vampire-y to me!
Also, going back to "The Vampyre" the vampire was weakened by the sun, not evaporated.
Astro is tired a lot, he is probably being weakened. And let's look at the blanket.
Yes, he uses it to hide his four arms, but what if there was a 2nd meaning to it? He uses it to keep most of his body hidden! From the sun!
Also, he is a moon. The OPPOSITE of a sun.
But, thats just a theory... a GAME theory.
Cough sorry, anyway! Astro=Vampire
(This is the most studying I've done)