Sylvia Anderson first episode of a series then sharing the work according to their strengths. Gerry tended to specialise in special effects and hardware, and Sylvia in character, voices, costume, dialogue, and plotlines. In this way, Anderson contributed plot development and voice work for a series of half-hour shows including "Supercar", "Stingray" and "Fireball XL5". However, she felt the half-hour format was insufficient to fully develop characters and stories, and she persuaded the team's TV producer Lew Grade to extend their shows to a full hour. In the early 1960s, the Andersons co-created the series "Thunderbirds", and Sylvia created the characters. She
Thunderbirds (TV series) of IR's adversaries is the criminal known only as the "Hood". Operating from a temple in the Malaysian jungle, and possessing abilities of hypnosis and dark magic, he exerts a powerful telepathic control over Kyrano, his estranged half-brother, and manipulates the Tracys into missions that unfold according to his nefarious designs. This allows him to spy on the "Thunderbird" machines and, by selling their secrets, make himself rich. "Thunderbirds" was the fourth Supermarionation puppet TV series to be produced by APF, which was founded by the husband-and-wife duo of Gerry and Sylvia Anderson (née Thamm) with their business partners Arthur