Duyung

A young, idealistic guardian of the sea who cleans the village and refuses ordinary work in favor of environmental stewardship. He builds a floating island from discarded rubbish, a risky act that demonstrates resilience but earns him scorn as an eccentric dreamer. His love for Aspalela drives him to overcome poverty and social expectations.

Aspalela is Jimmy's childhood sweetheart who believes in him and wants to marry him. She supports his environmental mission but is bound by her father's demand for land and security before marriage. Her loyalty is tested by social pressures while remaining hopeful about their future.

Aspalela's father, a pragmatic man who requires Jimmy to own land before he approves the marriage. He represents tradition and the community's cautious stance toward changing roles and wealth. His change over the course of the story signals a shift in village attitudes.

A lonely mermaid who befriends Jimmy after his environmental feats. She helps fortify his floating island and offers treasure to aid him, testing his resolve to stay with Aspalela. When captured by Kordi, her absence sparks a community effort to rescue her.

An ambitious suitor who also wants Aspalela and uses manipulation to turn villagers against Jimmy and Puteri. He captures Puteri and sells glimpses of the mermaid, intensifying the conflict in the village. He represents greed and selfish competition.

Jimmy's loyal friend who stands by him through ridicule and danger. Orix provides comic relief and steadfast support as the community faces the upheaval caused by Puteri's appearance. His presence emphasizes friendship and solidarity in adversity.