The film contains no LGBTQ+ characters or themes.

The film contains no transgender characters or themes, centering on a Dalit youth's kabaddi aspirations amid caste violence and familial pressures. The story arc of protagonist Kittan Velusamy emphasizes resilience against social oppression without touching on transsexual identity.

Female characters serve as emotional anchors in a tale of caste conflict and kabaddi ambition, offering support to the male protagonist without participating in physical confrontations against male opponents.

Bison Kaalamaadan draws from the life of male kabaddi player Manathi Ganesan, portrayed by male lead Dhruv Vikram. Supporting characters align with their real or fictional genders without swaps from source material.

Bison Kaalamaadan draws from the life of Tamil kabaddi player Manathi Ganesan, portrayed by Tamil actor Dhruv Vikram. All principal characters are depicted by South Asian actors matching the story's Indian setting, yielding no racial mismatches with the biographical inspiration.