I... I'm not sure. [He looks embarassed, he is. There's still a lot he doesn't know. Though in this case he knows it might just be a case of different worlds, rather than his lack of knowledge in anything that's actually important.] Aster named him, so Thalassa might be a goddess in her world...

[He'd never actually asked where she had gotten the name from.]

I named Cobweb so it makes sense he's the odd one out.