A dropout law student and adopted son of Kumarasamy and Saraswathi who constantly questions injustices. After failing various jobs, he advocates for Pannaikadu villagers, mentors District Collector Sivagurunathan, and undergoes a personal transformation, ultimately winning respect and marrying Archana.
Biological father who struggles with Karthik's rebellious nature and later reveals his adopted status.
Biological mother who shares her husband's frustration over Karthik's actions but is later praised for her parenting.
Protective sister who repeatedly attempts to guide Karthik toward social conformity.
Archana harbors genuine affection for Karthik and actively supports his personal growth.
Defies patriarchal authority to align with Karthik, recognizing his underlying good intentions.
Shifts from rigid authority to supportive ally, relocating his family to Karthik's home.
Explore the full interactive character relationship map of Brother