Chidambaram's fiancée and a nurse. She becomes a victim of the psycho killer after her daughter Yanu is murdered, leading to her tragic suicide by hanging.
Chithra was Chidambaram's romantic partner before her tragic murder.
Chithra is Yanu's biological mother, both killed by the Smile Man.
Prabhu's unrequited obsession with Chithra drives his violent spree.
Explore the full interactive character relationship map of The Smile Man