Kin Platt was a cartoonist, painter, sculptor and writer. He was the artist of the 'Mr and Mrs.' comic strip, that appeared from 1947 to 1963 in the New York Herald-Tribune. From 1950 to 1954, he did another newspaper feature, called 'The Duke and the Dutchess'. He occasionally was a theatrical caricaturist for New York newspapers and a radio comedy writer for Jack Benny, Stoopnagle & Budd en The National Biscuit Comedy Hour of 1936. Platt was the writer of animated cartoons for Disney and Hanna-Barbera from the late 1930s and the creator of 'Supermouse' for comic books (Better Publications).
During the 1940s, he worked on many other Better titles, including 'Happy Comics', 'Diamond Dust', 'Rip Rabbit', 'The Sphinx', 'Captain Future', and 'The Mask'. He additionally worked on Timely's romance titles, as well as 'Terry-Toons Comics', 'Puffy Pig', 'Cindy' and 'Rusty'. In the 1960s, he drew for DC's war titles, and during the 1970s, he made some comic adaptations for Pendulum Press ('The Call of the Wild', 'Doctor Jekyll and Mister Hyde', 'Dracula').