Angry Black White Boy
This metaphor has been used for the protagonist of the story, Macon, who is a jewish white boy. He hides his true identity and disguises as a black taxi driver to take revenge of his black friends. He detests the people of his own race because of their injustices and the exploitation of the blacks. The writer has used this metaphor for Macon to show the complete character.
Bloodsuckers and devils
The metaphors of bloodsuckers and devils have ben used for the whites because they used to treat the blacks brutally. They deprived them of their rights and exploited them in every possible way. Macon hates them for their prejudice against the blacks because he witnesses the injustices done to the black people.