Essence: The intrinsic nature or indispensable quality of something, especially something abstract, which determines its character (Oxford Dictionary).
Ethnicity: A cluster of heritable traits, most of which –hair color, skin tone, and the like– are insignificant (Ryan 199).
Mimicry: The action or skill of imitating someone or something, especially in order to entertain or ridicule (Oxford Dictionary).
Satire: The use of humor, irony, exaggeration, or ridicule to expose and criticize people’s stupidity or vices, particularly in the context of contemporary politics and other topical issues (Oxford Dictionary).