What kind of person does hermaphrodite refer to?

Yin-yang family refers to people who speak in a strange way.

Yin and yang family refers to people who talk strangely, don't talk easily, and love to satirize others when they have nothing to do. It also refers to a person or organization who has no rules in speaking and doing things, has an unclear or no position at all, faces a set of things, and has a set of things behind them. People talk nonsense as soon as they speak, and yin and yang can be transformed freely.

There is an NPC named Bob in the hearthstone, who always says something delicious at inappropriate times. Because his words are too yin and yang, while Bao is yin, Bob is yang, and Bob is called yin and yang, which means he speaks yin and yang.