Commander X has a grey torso, bright blue arms and legs, and black hip and hands. He wears black shoulderpads and a grey UFO helmet. The torso, hip, legs, and helmet feature detailed printing. Commander X's head is transparent flourescent green with alien facial features.
In the United Kingdom storyline, Commander X is the leader of the LEGO UFO Fleet instead of Alpha Draconis. He is the wise elderly Alien Prince of planet Xivos. He is leading a top secret mission to defeat the evil Black Droid Empire, and saved Techdroid 1 and Techdroid 2 from the Empire's army on planet Xeebo.
According to a German advertisement in Die tollsten Geschichten von Donald Duck, Commander X is the Officer, serving under the Zotaxian Overlord. He is a super-strategist who fights fearlessly for justice. The comic shows Chamon and the Officer boarding the Warp Wing-Fighter and traveling from Zotax to Vulcox.
In the North American storyline given in LEGO Mania Magazine, Commander X is not given a name or any specific characterization. He is simply one of the villainous aliens from planet Humorless who are enemies of the Exploriens and Roboforce.
- In Bricks 'n Pieces Magazine, a helmetless version of Commander X is erroneously used to represent Techdroid 2.