The film 'Maniac' does not feature any identifiable LGBTQ+ characters or themes. The narrative centers on the individual psychological struggles and shared experiences of its heterosexual protagonists within a sci-fi pharmaceutical trial, with no depiction of queer identity or relationships.

There is insufficient information available to assess the portrayal of transsexual characters or themes in 'Maniac, 2018'. Without specific plot details or character descriptions, it is not possible to determine if such depictions exist or to evaluate their net impact, thus no supporting example can be provided.

The movie does not contain any action or adventure elements.

The 2018 series "Maniac" is an adaptation of a 2014 Norwegian series. While sharing a similar premise, the American version introduces new main characters, Annie Landsberg and Owen Milgrim, rather than directly gender-swapping a character from the original source material.

The 2018 American series 'Maniac' is an adaptation of a 2014 Norwegian series. The main characters in the American version are portrayed by actors of the same race as their counterparts in the original Norwegian series. Other significant characters appear to be new or substantially re-imagined for the adaptation, not direct race swaps of established legacy characters.