Donald Virgil Bluth (/bluːθ/; born September 13, 1937) is an American film director, animator, production designer, video game designer, and animation instructor, best known for his animated films, including The Secret of NIMH (1982), An American Tail (1986), The Land Before Time (1988), All Dogs Go to Heaven (1989), Anastasia (1997), and Titan A.E. (2000), for his involvement in the LaserDisc game Dragon's Lair (1983), and for competing with former employer Walt Disney Productions during the years leading up to the films that became the Disney Renaissance. He is the older brother of illustrator Toby Bluth.