well as the supporting cast of Kochadaiiyaan. Lulla, along with the team working on the costumes, created the looks of all characters on the sketch. They had worked for about eight months on the various characterisations of Rajinikanth and the supporting cast. According to her, "It was a different kind of design experience altogether". On Rajinikanth's looks, Soundarya quoted: "First, we scanned his face and made a 3D model to get the exact precision of his features, such as the scar on his nose. And then we corrected the 3D model by tightening his skin to make him look 25 years younger. They used that technology in the film Tron." The youthfulness of the look was compared to the looks that Rajinikanth carried in his film Muthu. Soundarya also claimed that Rajinikanth's hairstyle in the film was inspired by his appearance in his earlier film, Thalapathi. Sound design Resul Pookutty is the sound designer for the film. He worked over two and a half years on the sound design of the film. Three teams of sound editors were working in Los Angeles, Mumbai, and Chennai under him. The final phase of re-recording was done in Chennai at A. R. Rahman's studio during end-March 2014. In an interview with The Hindu he quoted, "For the war sequence, we got 150 people scream like how they would in a war and recorded the sound. I went to fortresses and collected samples of how sound resonates. Based on the impulse response data, we recreated the acoustics of a durbar." Pookutty started working from the scratch instead of using available sound samples. He added that when his team started working on the foley (ambient sounds) he told the film director to provide him with the exact costumes used whilst filming. However, realising that the filming was done using performance capture technology, the entire set of costumes were designed to provide requisite foley. He also paid attention to nuances extensively where he added, "For instance, the image you see on screen is a composite of several layers of images. The clothes, the movement, the swords and so on were created separately and put together. My team also had to add sound, layer by layer." Filming The film posters showed that the film would use performance capturing technology, which was used in films such as Avatar and The Adventures of Tintin: The Secret of the Unicorn.