stock character

Noun

(writing, theater, film) Any fictional character drawn from some stereotype who is instantly recognizable.

Japanese Meaning

（執筆、演劇、映画）あるステレオタイプに基づいて描かれ、すぐにその特徴や役割が認識される典型的な架空人物

In the play, the foolish old man is a stock character whose predictable mistakes make the audience laugh.

その劇では、愚かな老人は典型的な登場人物で、その予測できる失敗が観客を笑わせる。

Sense（1）

(writing, theater, film) Any fictional character drawn from some stereotype who is instantly recognizable.

stock characters

（ plural ）