The documentary 'Whistle, 2025' focuses on competitive whistlers, highlighting their skills, rivalries, and community. Available plot descriptions, character portrayals, and reviews contain no references to LGBTQ+ characters, queer themes, sexual orientation, or gender identity, indicating no depiction of such elements within the film.

Based on available information, the film Whistle (2025) does not feature any identifiable transsexual characters or themes. The documentary focuses on international whistlers and their competition, with no mention of gender or sexual transformation elements in its plot or character arcs.

The movie does not contain any action or adventure elements.

The film is a documentary featuring real people competing in a whistling competition. There is no indication that any real-life individual is portrayed with a gender different from their established historical or actual gender, thus no gender swap occurs.

The film is a documentary chronicling real-life participants in a contemporary competition. It features no scripted characters or prior source material, meaning there are no pre-established character races to be swapped.