Question

What kind of character is a type of flat character with one exaggerated personality quality?

Foil
Stereotype
antagonist
protagnist

Answer 1

A stereotyped character is a character who is defined by only one exaggerated personality trait. 

Answer 2

Stereotype

Step-by-step explanation:

-Foil is a character that is compared with another one to highlight the qualities of the latter.

-Stereotype is a character in which the personality is influenced by cultural types and it tends to be defined by a exaggerated trait.

-Antagonist is a character that is against the protagonist.

-Protagonist is the main character of a story.

According to this, the answer is that the character that is a type of flat character with one exaggerated personality quality is stereotype.