The Black Goat

The Black Goat is the titular character of the novel The Black Goat's Egg by Sen Takatsuki. She is a brutal serial killer who has a complicated relationship with her son.

Personality
The Black Goat is described as deprived and cruel person who is known for her sadistic murders.

The Black Goat's Egg
The Black Goat was one of the main characters of the novel and a major source of conflict for her son. Her murders disgusted her son, but he could not help but sympathies with her and feel the same cruel impulses.

Role in the Series
The character becomes an important figure to Ken Kaneki who denotes Rize Kamishiro as having a similar role in his life.