Ploutos had noticed when the other immortal entered the building, but it was a sort of secondary thing. This city was positively teeming with them, he'd already run into a pair of Muses, as well as a pair of Titans. It was like you could kick over a rock and a half-dozen came scuttling out.
But then he was being addressed, and he forced himself away from watching the window. He nodded back automatically, saying, "Hmm? Oh, no, not really." His eyes fell on the t-shirt, and he couldn't help but smirk faintly, he got the joke.