Humorous or satirical accounts ordinarily are not considered to be defamation unless:

A) a reasonable reader believes them to be real events.
B) they are political in nature.
C) the plaintiff can prove that they are about him/her.
D) they expressly state so.

Defamation

The practice of harming an individual's reputation through the dissemination of untrue and detrimental remarks.

Humorous

Characterized by the quality of being amusing or entertaining, often involving a sense of wit.

Satirical

Characterized by the use of irony, sarcasm, ridicule, or the like, in exposing, denouncing, or deriding vice, folly, etc.