Sullivan Bluth Studios was an Irish-American animated film production company established in 1979 by animator Don Bluth. Bluth and several colleagues, all of whom were former Disney animators, left Disney in 1979 to form Don Bluth Productions, later known as the Bluth Group. This studio produced the short film Banjo the Woodpile Cat, the feature film The Secret of NIMH, and the video games Dragon's Lair and Space Ace.