Oh my. They are.

Me: "I'm really getting into this KPOP boy band. Do you know them?"
Celina: "LOL. Yeah, they're famous."
Me: "Oh, they are?"

 

Oh my.  They are.  Coachella 2025, sold-out world tours... 

In retrospect, they would have to be to seep under this rock I live under. The path (maybe not so usual): KPop Demon Hunters --> Kevin Woo (Mystery Saja's singing voice) --> Kevin Woo's AMA Reddit post, and then BAM!.