Van-Zee

Superman's exact double from the Bottle City of Kandor. In Lois Lane 15, Feb 1960 "The Super Family of Steel" it is revealed that Superman and Van-Zee are related, thus explaining their close resemblance. When Van-Zee falls in love with Lois Lane, Superman's girlfriend, he begins a quest to find her exact duplicate to woo and wed. He meets and marries Lois' double, Sylvia, while enlarged to normal size on Earth. They have two children and reside in Kandor. Later, Van-Zee will assume the mantle of Superman' secret Kandorian identity, Nightwing. Van-Zee is also a member of The Superman Emergency Squad, a group of Kandorians who while still tiny often assist the Man of Steel.

Not to be confused with Vol-Don who is Clark Kent's exact double and is a member of the Kandorian Look-a-Like Squad who sometimes doubles for Superman's friends... including Clark Kent.