Meera (played by Tamannaah Bhatia) is a protagonist in Petromax.
A ghost residing in the ancestral home. Originally the wife of Vijay Karuppaati, she survives the fire set by Saravanan but suffers severe facial injuries. She witnesses Saravanan murdering her adopted family and later exacts revenge alongside the other spirits. Thangam (played by Kaali Venkat) appears in Petromax.
One of the friends who stays in the haunted house. He is a heavy drinker who only begins drinking after 9 PM and once lost crucial funds for his son's surgery due to an intoxicated cricket bet. Senthil (played by Munishkanth) appears in Petromax.
A central protagonist who arranges for his friends to stay in the haunted house to prove it is safe. He cares for his amnesiac mother and remains remarkably calm during ghost encounters, ultimately helping the spirits uncover the truth behind their deaths. Nandha (played by Sathyan Sivakumar) appears in Petromax.
One of the friends staying in the house. He suffers from deafness and night blindness, relying on a flute to calm himself when scared. He previously lost his job after failing to prevent an ATM robbery due to falling asleep on duty. Saravanan (played by Prem) appears in Petromax.
The primary antagonist and son of Vijay Karuppaati. He returns to India after a business loss and decides to sell his ancestral home. To prevent the sale, he murders his adopted family and stepmother by poisoning them and setting them on fire. He is ultimately killed by the vengeful ghosts. Guru (played by Mime Gopi) appears in Petromax.
An accomplice to Vetri who helps fabricate the ghost story to manipulate Saravanan into selling the ancestral home cheaply for a commercial project. He later murders Vetri when the latter discovers Saravanan's true crimes, but is ultimately killed by the vengeful ghosts alongside his goons. Meera's Father (played by K. S. G. Venkatesh) appears in Petromax.
Kaali (played by TSK) appears in Petromax.
Petromax (2019) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Meera
(played by Tamannaah Bhatia) — protagonist
A ghost residing in the ancestral home. Originally the wife of Vijay Karuppaati, she survives the fire set by Saravanan but suffers severe facial injuries. She witnesses Saravanan murdering her adopte...
Thangam
(played by Kaali Venkat) — supporting
One of the friends who stays in the haunted house. He is a heavy drinker who only begins drinking after 9 PM and once lost crucial funds for his son's surgery due to an intoxicated cricket bet.
Senthil
(played by Munishkanth) — supporting
A central protagonist who arranges for his friends to stay in the haunted house to prove it is safe. He cares for his amnesiac mother and remains remarkably calm during ghost encounters, ultimately he...
Nandha
(played by Sathyan Sivakumar) — supporting
One of the friends staying in the house. He suffers from deafness and night blindness, relying on a flute to calm himself when scared. He previously lost his job after failing to prevent an ATM robber...
Saravanan
(played by Prem) — supporting
The primary antagonist and son of Vijay Karuppaati. He returns to India after a business loss and decides to sell his ancestral home. To prevent the sale, he murders his adopted family and stepmother...
Guru
(played by Mime Gopi) — supporting
An accomplice to Vetri who helps fabricate the ghost story to manipulate Saravanan into selling the ancestral home cheaply for a commercial project. He later murders Vetri when the latter discovers Sa...
Meera's Father
(played by K. S. G. Venkatesh) — supporting
Kaali
(played by TSK) — supporting
Key Relationships
Meera's Father → Meera
(father)
Senthil → Saravanan
(Professional Client)
Nandha → Thangam
(Alliance Teammate)
Kaali → Nandha
(Alliance Teammate)
Kaali → Thangam
(Alliance Teammate)
Senthil → Thangam
(Alliance Teammate)
Senthil → Nandha
(Alliance Teammate)
Senthil → Kaali
(Alliance Teammate)
Saravanan → Guru
(Alliance Co-Conspirator)
Saravanan → Meera
(Family Adopted Sister)
Story Analysis
A horror-comedy exploring grief, greed, and redemption through supernatural revenge and unconventional friendships.
