Scorchie The Scorchies were a species that had no form of their own but took the form of puppets that arrived on planet s to destroy or enslave their populations . Biology . After their bodies were destroyed , the Scorchies were left as incorporeal beings . The Scorchies then inhabited puppet s . ( AUDIO : " The Scorchies " ) The Scorchies naturally generated a psychic induction field , which forced those around them to sing . ( AUDIO : " Comeback of the Scorchies " , " Encore of the Scorchies " ) Scorchies fed on emotion to survive . Some Scorchies lived on joy from their performances , ( AUDIO : " Encore of the Scorchies " ) while others fed on negative emotions such as disappointment and fear . ( AUDIO : " Comeback of the Scorchies " ) They had the ability to turn other lifeforms into Scorchies . ( AUDIO : " Comeback of the Scorchies " ) History . The Scorchies were not always known as " Scorchies " . Before they were turned into puppets , they were ordinary life forms . The path to becoming Scorchies began when an inventor who would later be known as " Professor Baffle " invented television , which quickly became very popular Among his people . When their planet was invaded by aliens , the people were too glued to their TVs to stop the invaders . They quickly turned to Professor Baffle for a way to save themselves . He made a device to let them escape to another planet using television waves , but he got the compression algorithm wrong and they were left without bodies . The Scorchies then divided into at least three distinct groups . The most infamous of these was a group led by Mr Grizzfizzle . Taking their revenge on the universe , they toured " The Scorchies Show " around the universe , hypnotising planets and then burning them . These actions led to the entire race of puppets being known as " Scorchies " . ( AUDIO : " The Scorchies " ) Another group of Scorchies were led by Maggie . They hired bad musicians to perform concerts and fed off the disappointment of the audience . Iris Wildthyme once signed an exclusive contract with them . ( AUDIO : " Comeback of the Scorchies " ) A third group of Scorchies wanted to get their bodies back . ( AUDIO : " Encore of the Scorchies " ) In either his first or second incarnation , the Doctor landed on a planet which was being invaded through the television by Mr Grizzfizzle ' s Scorchies . ( AUDIO : " The Scorchies " ) Invasions of Earth . After landing on Earth in the 1890s , two of the Scorchies that wanted regain bodies called Mister and Missus stole bodies from humans . This enabled them to live like ordinary people , but they soon realised they needed a lot of mental energy to maintain and utilise their bodies . ( AUDIO : " Encore of the Scorchies " ) In December 1894 , they approached Henry Gordon Jago and impressed him with their singing . ( AUDIO : " The Wax Princess " ) For the next few weeks , the held nightly performances at the New Regency Theatre . They tried to hypnotise hundreds of audiences in New Regency Theatre to use them as source of mental energy for Mister and Missus . But when Jago and Litefoot figured out their plan , Ellie Higson burned the scorchies with fire . ( AUDIO : " Encore of the Scorchies " ) There were automata of Scorchies in Carruthers Summerton ' s Museum of Curiosities , in memory of this adventure . ( AUDIO : " The Museum of Curiosities " ) In the 1970s , the Third Doctor and Jo Grant later encountered Mr Grizzfizzle ' s Scorchies on Earth , eventually defeating them and sending their consciousnesses back into space . ( AUDIO : " The Scorchies " ) In 2007 , Jack Harkness and Ianto Jones repelled an attempted invasion of the Scorchies in a theatre in Cardiff by burning them with a flamethrower . ( AUDIO : " Broken " ) In 2015 , Iris Wildthyme and Edwin Turner encountered Maggie and her Magic Mice in Margate after a Brian Bonamy concert . They offered Brian fame . ( AUDIO : " Comeback of the Scorchies " )