Why is the ghost film of poker a clown?

Poker was not invented by China people, but it is common to call ghosts.

The clown's Oxford explanation is

Clowns; Joker

/ ? d？ England? (r)； ˋd？ Okay？ / n

A person who likes to joke; Stupid and irresponsible people are clowns; Stupid and irresponsible person: Some joker has been fiddling with my car antenna! Some prankster fiddled with the antenna in my car!

I don't want that clown infml sales team. Our sales department doesn't want that guy.

Extra playing cards used in some card games are versatile.