In the first film, He is an android robot created by Dr. Vaseegaran, also portrayed by Rajinikanth. Dr. Vaseegaran who is specialised in robotics, created Chitti after a decade of intensive research. Chitti was first created without emotions however in order for the robot to understand human behaviour, Vaseegaran taught the robot about them. But then the robot fell in love with the scientist's fiancée, Sana and thus it caused conflict between them. Angered by the robot, Vaseegaran literally chopped the robot into pieces. He was found by Dr. Bohra and upgrade into 2.0 because of a red chip. He converting it into a ruthless killer and turned into an evil destructive killing machine and killed Bohra. He then weent after Vaseegaran and Sana and crashed their wedding. He showed numerous other powerful abilities including shape shifting as well as duplicating. He caused so much damage and destruction to the city. However, Vaseegaran managed to defeat and stop Chitti. Since Chitti caused so much damage and destruction to the city, he was de-activated and dismantled. His body parts were then displayed in the museum in the year 2030 as the most advanced humanoid robot ever built.