Rajan has a reputation for introducing different concepts to Tamil cinema relative to
Hollywood films. His second film,
Naaigal Jaakirathai, was the first Tamil film to feature a dog as the main protagonist. His third film,
Miruthan, was the first Tamil film to feature zombies. Rajan's fifth film,
Teddy, is he first Tamil film to use an Indian animation company to design a special animated character and the second Tamil film (after
Rajinikanth's
Kochadaiiyaan) to use motion-capture technology, marking the new wave of animation usage in Tamil industry. His sixth film,
Captain, is the first Indian creature-based film. For his first two films, Rajan has collaborated with music directors
James Vasanthan and
Dharan Kumar, after which he has collaborated with music director
D. Imman for his subsequent films. == Filmography ==