The film 'Avan Ivan' does not explicitly portray any identifiable LGBTQ+ characters or themes. While a main character exhibits gender non-conforming mannerisms, these are presented as character quirks and comedic elements rather than an exploration of queer identity or sexual orientation, and the character is depicted with heterosexual romantic interests.

Currently, there is insufficient information regarding the plot or characters of 'Avan Ivan, 2011' to determine if transsexual characters or themes are present, or to evaluate their potential portrayal. Therefore, an assessment of the net impact cannot be made.

The film primarily focuses on the lives and conflicts of its male protagonists. Female characters, including a police constable and a college student, do not participate in or win close-quarters physical combat against male opponents.

Avan Ivan is an original film with characters created specifically for this movie. There is no prior source material, historical context, or previous adaptations from which character genders could be swapped.

Avan Ivan is an original Tamil-language film, not an adaptation, biopic, or reboot. Its characters were created specifically for this production, meaning there is no pre-existing canonical or historical racial establishment to be altered.