Based on the available information, Vettaiyan does not feature any identifiable LGBTQ+ characters or themes. The film's narrative focuses on social justice issues, extrajudicial killings, and gender representation, with no explicit mention or depiction of LGBTQ+ presence. Therefore, LGBTQ+ representation is absent from this film.

Based on the provided information, there is insufficient data to evaluate the portrayal of transsexual characters or themes in *Vettaiyan*. Available reviews do not elaborate on any specific depictions, making it impossible to determine a net impact as positive, negative, or neutral.

The provided information highlights the presence of strong female characters with agency and depth, and their well-written roles. However, it does not contain specific details or descriptions of any scenes where these female characters engage in and defeat male opponents in direct physical combat.

Based on available information, Vettaiyan does not feature any characters who were canonically, historically, or widely established as one gender and are portrayed as a different gender. The film introduces new female characters rather than gender-swapping existing ones.

Vettaiyan is an original film, not an adaptation or biopic with pre-established characters. The cast features actors from diverse regional backgrounds within Indian cinema, but there is no indication or mention of any character's race being changed from a prior canonical or historical depiction.