[huac]

It is a far more common western name: https://en.wikipedia.org/wiki/Lang_(surname).

The Chinese Wikipedia entry on the most common form of 'Lang' is anemic in comparison: https://zh.wikipedia.org/wiki/%E9%83%8E%E5%A7%93

[yesenadam]

Well, they do got https://en.wikipedia.org/wiki/Lang_Lang