The film "Scooby-Doo! Shaggy's Showdown" does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses on the Scooby gang solving a mystery at a dude ranch, with no elements pertaining to queer identity or relationships present in the storyline.

The film 'Scooby-Doo! Shaggy's Showdown' does not include any identifiable transsexual characters or themes. Its narrative focuses on a traditional Scooby-Doo mystery involving ghosts and a ranch, without exploring LGBTQ+ identities or related social issues, resulting in no depiction to evaluate.

The movie does not contain any action or adventure elements.

The film features the established Scooby-Doo characters (Scooby, Shaggy, Fred, Daphne, Velma) who retain their canonical genders. New characters introduced are original to this installment and do not represent gender swaps of pre-existing roles.

The film features the established Mystery Inc. characters, all of whom are depicted consistent with their long-standing canonical races. No characters from prior source material or installments are portrayed as a different race.