Known as the "Wizard of Forms", Nexus Prime was all about change and mutability. As the first and greatest combiner, he was able to merge together any robots into new combined forms at will or separate himself into multiple independent components. When standing alone, his body seemed to shift or be overlaid with ever-changing forms and combinations he might take.
Powerful, proud, and frequently unpredictable even to those who knew him best, Nexus Prime was also full of good humor and can even be a bit of a prankster at times. He was the "mad experimenter" of the Thirteen.

He was Frankensteined from various part. I simply glued the parts together, paint, touch up and seal....