Standard Publishing was one of a number of companies owned by Ned Pine. He also produced comics the under Nedor, Better and Thrilling companies.
Published under the Standard banner, Coo Coo Comics featured a character first introduced in October of 1942 named Supermouse, who became Standard's longest running comic character.
Also in October of 1942 Terry Toons introduced a character named Super Mouse. Paul Terry, publisher of Terry Toons, quickly changed the name of his rodent-hero to Mighty Mouse to avoid free advertising for Standard's mouse.