Gov. Nikki Haley “Americanized” hers, too. Her first name is Nimrata (full name Nimrata Kaur Randhawa).
Punjabi for “Humility”, according to Wikipedia.
Piyush, somehow relates to the name “Amrit” which means “immortal” and refers to the drink of the Hindu Gods, making it their equivalent of Greek mythology’s “nectar” (which itself is a name fit for a stripper). It’s also the name of some milk/yogurt concoction, that must be the connection to the fictional magical substance.
So I guess he could have changed his name to Ovaltine.