<P> Born in Hounslow but moved down to London after his father having run off with his aunt to Germany when he was ten . Clyde moved to the same catchment area as Maria and Luke sometime before Revenge of the Slitheen, and like them was a new student at the local school . Clyde lives with his mother, and agrees with Maria that he, like her, is happier for his parents to live apart rather than to argue . Clyde appears to put a lot of value in appearing "cool", and is a bit of a troublemaker . He initially finds Maria and Luke strange--especially Luke . However, Clyde is not without his tender side, and encourages Sarah Jane to allow Luke to call her "Mum", suspecting that this is what she really wants . </P> <P> Introduced in the second episode of series one, Revenge of the Slitheen, Clyde discovers that aliens exist, follow Maria Jackson (Yasmin Paige) into the school technology block and seeing several Slitheen (including a child Slitheen) whom he sees change out of their disguises . While Sarah Jane was annoyed to have another person depending on her she eventually warmed to Clyde when he proved helpful in figuring out the Slitheen's weakness and in defeating the family . Clyde forms a friendship with the socially inept but intellectually brilliant Luke Smith at this time, helping him attempt to function as an average boy in social situations . In Warriors of Kudlak, Luke asks Clyde to explain about girls . </P> <P> In The Lost Boy, Clyde is trapped inside Mr Smith to stop him from exposing the computer as a villain and to use as a hostage . From within Mr Smith however, Clyde managed to surprise the computer by sending messages to another computer from within him . </P> <P> In the Doctor Who episode "The Stolen Earth", he is said by Luke Smith to be safe in London with his mother during the Dalek invasion . </P>

Who plays the trickster in sarah jane adventures