가 만든

made by

→ 가
phrase Common #4,940
made by 가 marks the subject, and 만든 describes something that the subject made. The subject's name or pronoun comes before 가.
KO: 민수가 만든 케이크예요.
EN: It's a cake Min-su made.

주토피아는 포유류가 만든 도시가 아니야.

Zootopia is not a city created by mammals.

— 주토피아 2 (2025)