A con artist; a disreputable businessman. In the nineteenth century when there was no licencing of medicine, fast-talking salesmen would go around selling "snake oil" or other useless concoctions to unsuspecting customers.
The word "snake". Snake oil, rattlesnake and snake eyes.
Michael Saleman was born on March 26, 1955, in Los Angeles, California, USA.
shrewd saleman
Money!!!
A snake oil salesman is also called a shyster or con artist, or even an entertainer.
Snake oil
Snake oil salesmen
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snake oil
Some people may think so, usually a Republican. All politicians have some element of snake oil salesman in them to get elected.
No - snakes are carnivores.