The film is a mythological fantasy epic focused on a hero's quest to defeat evil and rescue maidens. Its narrative and character arcs do not include any identifiable LGBTQ+ characters or themes, maintaining a traditional heroic structure without exploring queer identities or relationships.

The film 'Son of the White Mare' is a mythological animated epic that does not feature any identifiable transsexual characters or themes. Its narrative focuses on traditional heroic quests, ancient folklore, and symbolic battles between good and evil. Gender roles are presented within a conventional cisgender framework, with the story centering on three brothers rescuing princesses from dragons, without exploring gender identity or transition.

The film features female characters such as the White Mare and the three princesses. However, none of these characters are depicted engaging in or winning close-quarters physical combat against male opponents. The princesses are primarily rescued, and the White Mare's role is maternal and magical, not combative.

The film is an adaptation of ancient Hungarian folk tales, particularly the epic poem "Fehérlófia." It faithfully portrays the established genders of its mythological characters, including the male protagonist and his companions, and the female magical mare and princesses. No characters canonically established as one gender in the source material are depicted as a different gender in the film.

The film is an animated adaptation of Hungarian folk tales. The characters, originating from Hungarian folklore, are depicted in the animation with features consistent with their implied cultural and racial background. There is no evidence of any character being established as one race in the source material and then portrayed as a different race in the film.

Not depicted in the film.