<Tr> <Th> 11 </Th> <Td> N / A </Td> </Tr> <Tr> <Th> 12 </Th> </Tr> <Dl> <Dt> Notes </Dt> </Dl> <Ol> <Li> ^ Cowell was not present for auditions in the fifth series; he served as a judge for the live shows only . </Li> <Li> ^ Brook was credited as a guest judge for the Manchester auditions, after the producers dropped plans for her to be a permanent judge in this series . </Li> <Li> ^ Walsh served as a guest judge in place of Cowell during the fourth series, and Hasselhoff during the fifth series . </Li> <Li> ^ Electra served as a guest judge in place of Holden, during the sixth series . </Li> <Li> ^ Ant & Dec served as guest judges in the eighth series, substituting for Cowell on the first day of the Manchester auditions . </Li> <Li> ^ David Walliams' mother, Kathleen Williams, served as a guest judge in place of Cowell, while attending a session in the tenth series . </Li> </Ol>

Who are the two guys on britain got talent