Final answer:
A character who displays often-repeated behavior in comedy is known as a stock character.
Step-by-step explanation:
A character who displays often-repeated behavior in comedy is known as a stock character. Stock characters are stereotypical or archetypal characters that appear in multiple comedies, and their behavior is predictable to the audience. For example, the foolish servant or the strict parent are common stock characters in comedy.
Learn more about stock characters