Gollo is an alien runaway from the planet Zar who arrived on Earth where he befriended Johnny Miles. The two had a bond but since Johnny was a runaway as well, Superman returned him to his home.
Gollo then used his abilities to travel throughout Metropolis searching for Johnny Miles using a variety of disguises. Superman learns of this connection but when he learns Gollo is also a runaway he is returned to his native planet.
Powers
Gollo has the ability to take on a variety of disguises, the title of the issue implying it being 1,000.