The film "Penguin Highway" does not feature any identifiable LGBTQ+ characters or themes. The narrative primarily focuses on a young boy's scientific curiosity and his relationship with a mysterious woman, without exploring queer identities or experiences within its plot or character arcs.

The film "Penguin Highway" does not feature any identifiable transsexual characters or themes. The narrative centers on a young boy's scientific investigation into the sudden appearance of penguins and a mysterious woman, without incorporating elements related to gender identity or transsexual experiences.

The film focuses on a young boy's investigation into mysterious penguins and a woman with unusual powers. While the female characters, particularly The Lady, possess fantastical abilities, these are not used in direct physical combat against male opponents. No female character engages in or wins close-quarters physical fights against men.

The film is an adaptation of a novel. All named characters in the film retain the same gender as established in the original source material. No character canonically established as one gender is portrayed on screen as a different gender.

Penguin Highway is an animated film based on a Japanese novel. All characters, as depicted in the source material and the film, are consistently portrayed as East Asian, aligning with the story's Japanese setting and origin.

Not depicted in the film.