Dhruv is a legendary king and devotee of Vishnu.

Lech (brother of Czech and Rus) was the mythical father of the Poles, and also the name of the Polish worker-president Lech Walesa, but it still isn't a name that travels well.

The astronomical Polaris is better known as the North Star, the brightest star in the Ursa Minor constellation. It's also the name of a character in the Marvel Universe, as the daughter of Magneto. A handful of girls have been given the name in recent years.