20 years ago Detective Harry Gibbs was a accident ,seconds before dieing the alien Vaalu arrived on earth and healed him .Vaalu took possession of Harry`s body and became an police officer .He did this to stop Xanja ,an evil alien conqueror who wanted to conquer Earth. Helped by Spider-Man they defeated him and Vaalu returned control of Harry`s body to him and took Xanja back into space.
Creation
Vaalu was created by Larry Lieber in 1987 and first appeared in Web of Spider-Man # 25.