In the entire world, ผุย (Phui 
, ผุย 
, Decay 
) is a rare gender-neutral first name. The forename ผุย is characteristic of South-eastern Asia, particularly Thailand, where it is a rare gender-neutral name, Malaysia, where it is a very rare dominantly feminine, but seldom male name, and Indonesia, where it is a very rare feminine name. Measured by absolute frequency, it is commonest in India, Indonesia, and Thailand. Also, ผุย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Phui | Indonesia, Malaysia, Singapore, United States, India |
| ผุย | Thailand |
| Decay | China, Indonesia, Myanmar, United States, France |
ผุย is also a name for the fictitious and mythical characters: Decay , the comics character.