Silambarasan Thesingu Rajendar, popularly known as Simbu, is an Indian film actor, director and playback singer of the Tamil Film Industry. He began his career by playing roles as a child artist in films directed by his father T. Rajendar, before his first lead role in Kadhal Azhivathillai (2002), under his father's direction and produced by his mother Usha Rajendar.