Marcel the Shell with Shoes On does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses on Marcel's personal journey and the universal themes of family, loss, and finding belonging, making the portrayal of LGBTQ+ elements N/A.

Marcel the Shell with Shoes On is an animated film focusing on a small shell's quest to reunite with his lost family. The story does not include any transsexual characters or themes, therefore, there is no portrayal to assess within the given framework.

The movie does not contain any action or adventure elements.

The film is an adaptation of a series of short films. The main characters, Marcel and Connie, maintain their established genders from the original shorts. No pre-existing characters had their gender altered for this film.

The film's primary characters are anthropomorphic shells, which do not possess human racial characteristics. Human characters introduced are either new or consistent with their portrayals, thus no established character's race was altered.