Due to his red coloration and yellow eyes, the new Porunga is quite reminiscent of Ultimate Shenron, the Eternal Dragon of the Black Star Dragon Balls, seen in Dragon Ball GT. Ultimate Shenron was ...

Zekrom has one of the most stand-out designs of any Legendary Dragon-type. Apart from its red eyes and the blue electricity it generates with its bulbous tail, Zekrom is entirely black.