Shouki is a Headmaster Jr. character from Transformers: The Headmasters. He is one of the younger Autobots trained to fight alongside the larger Headmasters in the war against the Decepticons. Shouki transforms into a train and is known for being energetic, brave, and eager to prove himself in battle. As part of the Headmasters Jr. team, he contributes to the Autobots' efforts in protecting Earth and supporting their allies through teamwork, speed, and determination.