Danger Mouse is the world's greatest secret agent and has a sidekickname Penfold, so secret in fact, that his codename has a codename. He is the protagonist of the British animated television series of the same name which was produced by Cosgrove Hall Films for Thames Television. He was voiced by David Jason in the original series which ran from 1981 to 1992 and will be voiced by Alexander Armstrong in the revived series in 2015.