No, not all French men have curly mustaches. Mustache styles vary among individuals and personal grooming preferences. It is a stereotype to suggest that all French men have curly mustaches.
Texture of hair is a genetic trait. If one has a curly moustache, it is a result of a curly moustache gene or gene combination. If many individuals of a specific region or ethnicity have a similar feature, it is a logical assumption that that common feature has become a dominant gene among that ethnicity.
The French word moustache is a cognate and means mustache.
Moustache
It is "moustache"
Poodles have curly fur and are associated with the French.
Moo-stash
It is called a "barbiche" in french.
Stanley French, hands down, has the most epic mustache of all time. I heard that one time, it strangled a Kodiak Bear to death in under 2 minutes...
yes
yes
frise