Specimen X

Specimen X is a major antagonist in The Dawn of Monster Kid, serving as the main antagonist of the seventh and final season. He is a supervillain and an evil clone of Max created by Dr. X.

Biography
Specimen X is the first clone created from Max's DNA. Like Zero, he is an artificial lifeform created by Dr. X, from a fusion of Max's DNA and the cells of a Spore via advanced nanotechnology.