It's probably better not to know for sure. And just call them Gorn maybe? Sometimes aliens are hard to describe in terms of how they look to humans, even to us aliens.
It's pretty amazing. Also unbelievable.
I know, I saw that movie! Which is weird to say. Is it weird to say? Sorry. But getting something on my phone would be great. Thanks! I'm ... actually I'm Supergirl, but I just realized Barry outed me already so I guess people don't do secret identities here?