Blaggard Castle is a Mickey Mouse comic story by Floyd Gottfredson that ran in newspapers from November 12, 1932 to February 10, 1933. It is one of the more famous Mickey Mouse comic storylines. It was prominently featured in the Perils of Mickey merchandise line of the 1990s, notably receiving a book-and-audio cassette adaptation featuring Corey Burton as the voice of Professor Ecks, and a handheld video game adaptation by Tiger Electronics.
After his adventure in Mickey Mouse Sails for Treasure Island, Mickey receives an invitation from a trio of ape scientists, Professors Ecks, Doublex, and Triplex, to visit their laboratory in Blaggard Castle. Mickey and Horace Horsecollar remember that the castle has been abandoned for a long time now and choose to investigate. Little do they know, the scientists plan to test their hypnotic device on them and succeed in bringing Horace under their control.