Boats. Mash them. Boil them. Put immigrants in them.

No, the WHO only assigns greek letters to Variants of Concern which this isn’t (yet). It was named by a scientist on twitter after an asteroid that sounds close to pi and rho (which would be the next Greek letters if it becomes a VoC)

Astronomical names of stars and planets have started to be used. I don’t know if it’s an official thing or just a media thing.

There was another variant a few days ago called Eris, which seemed to be tempting fate a bit considering Eris is also the Greek goddess of strife!