Mighty Mouse is an American animated character created by the Terrytoons studio for 20th Century Fox. The character is a anthropomorphic superhero mouse, originally called Super Mouse, and made his debut in the 1942 short The Mouse of Tomorrow. The name was changed to Mighty Mouse in his eighth film, 1944's The Wreck of the Hesperus, and the character went on to star in 80 theatrical shorts, concluding in 1961 with Cat Alarm. In 1955, Mighty Mouse Playhouse debuted as a Saturday morning cartoon show on the CBS television network, which popularized the character far more than the original theatrical run. The show lasted until 1967. Filmation revived the character in The New Adventures of Mighty Mouse and Heckle & Jeckle, which ran from 1979 to 1980, and animation director Ralph Bakshi revived the concept again in Mighty Mouse: The New Adventures, from 1987 to 1988. Mighty Mouse also appeared in comic books by several publishers, including his own series, Mighty Mouse and The Adventures of Mighty Mouse, which ran from 1946 to 1968. Mighty Mouse is known for his theme song, "Mighty Mouse Theme (Here I Come to Save the Day)", written by composer Marshall Barer. The character originated in 1942 from an idea by animator Isadore Klein at the Terrytoons studio, who suggested a parody/homage to the popular Superman character, making some sketches of a superhero fly. Paul Terry, the head of the studio, liked the idea but suggested a mouse rather than an insect. The character was dubbed "Super Mouse", and his first theatrical short, The Mouse of Tomorrow, debuted on October 16, 1942. In his book Of Mice and Magic, critic Leonard Maltin describes the character's origin story: Cats of the city have imposed a reign of terror on the rodent community. The mice have barely a chance to live in peace, with endless traps and clever feline footwork sealing their doom. One mouse manages to escape from a particularly hungry cat and runs for shelter into an enormous supermarket.