Create an image of a cosmic creature composed entirely of optical illusions, with its body morphing and shifting in mesmerizing patterns as it travels through the depths of space.

Imagine an entity from the realm of cosmos. This extraordinary creature presents an astonishing spectacle, its form entirely composed of intricate optical illusions. The body of this outlandish entity flickers and morphs, creating a riotous display of mesmerizing patterns as it embarks on its journey across the vast expanse of the universe. Set against the backdrop of celestial bodies and distant galaxies, this otherworldly entity celebrates the mystery and wonder that is inherent in the exploration of space.