THX 1138 is a dystopian science fiction film that explores themes of conformity and rebellion against a totalitarian state. The narrative does not include any identifiable LGBTQ+ characters, relationships, or themes. The film's critique of societal control is broad, not specifically addressing sexual orientation or gender identity.

The film "THX 1138" does not feature any identifiable transsexual characters or themes. Its narrative focuses on a dystopian society's control over human emotions, reproduction, and individuality, without engaging with transgender identity or experiences.

The film THX 1138 does not feature any female characters engaging in direct physical combat. Female characters are present, but their roles do not involve fighting or defeating male opponents in close-quarters encounters.

THX 1138 is an original science fiction film, not an adaptation of pre-existing source material with established characters whose genders were altered. All characters were created for this narrative, evolving from the director's earlier student film.

THX 1138 is an original science fiction film, not an adaptation of pre-existing material with established characters or a historical biopic. Therefore, no characters had a prior canonical or historical race to be swapped from.