Based on available information, Párvulos: Children of the Apocalypse does not feature identifiable LGBTQ+ characters or themes. The narrative centers on the post-apocalyptic survival of three brothers and their immediate social environment, including a heterosexual relationship, without engaging with queer narratives.

Párvulos: Children of the Apocalypse does not feature any identifiable transsexual characters or themes. The narrative centers on three brothers in a post-apocalyptic setting, exploring themes of survival and family dynamics, with no mention of gender identity or LGBTQ+ representation in its plot or character development.

The movie does not contain any action or adventure elements.

The film "Parvulos" focuses on original characters, specifically three young brothers, and is not an adaptation or reboot of pre-existing material with established character genders. There is no indication of any character being portrayed as a different gender than their canonical or historical establishment.

The film 'Parvulos' is an original Mexican production set in a rural Mexican environment, featuring a cast of Mexican actors. There is no indication of characters being established as one race in prior canon or history and then portrayed as a different race in this film.