The film 'The Fountain' does not feature any identifiable LGBTQ+ characters or themes. Its narrative centers exclusively on a heterosexual relationship across different timelines, with no elements suggesting queer identity or experiences.

The film "The Fountain" does not feature any identifiable transsexual characters or themes. Its narrative focuses on themes of love, death, and rebirth across different timelines, without engaging with gender identity or transsexuality in any capacity.

The film primarily focuses on a male protagonist across three interwoven timelines. Female characters, including Izzi Creo and Queen Isabella, are central to the narrative but are not depicted in any direct physical combat roles against male opponents or any opponents.

The Fountain is an original film with no pre-existing source material, historical figures, or prior adaptations. All characters were created for this specific movie, thus there are no instances of a character's gender being changed from an established canon.

The Fountain is an original film with characters created specifically for this production. There is no prior source material, historical record, or previous adaptation to establish a canonical race for any character, thus precluding a race swap.