Kevin and Julianne Langley

Kevin Matthias Langley and Julianne Samantha Langley (born October 11, 1967) are American twin video game developers. They programmed their first game, An American Quest, for the Britton's Program Exchange in 1986, when they were 18. In 1988, they were hired by Astound to program KnightMyth 2.

In 1993, the twins' most popular creations, the cinematic platformer Tales of The Nutcracker and the action-platformer Orville: Hero of the High Seas, were released.