The Controllers moved to another dimension and dedicated themselves to creating weapons that could be used to destroy evil beings if they became too dangerous. Originally, all Oans were blue-skinned humanoids currently, the Controllers are pink-skinned and hairless. Just as the Guardians slowly changed their physical appearances over billions of years of existence, so did the Controllers. It is also revealed that the Controllers left over the Guardians' decision to not destroy their former robot minions, the Manhunters, after the Manhunter rebellion on Oa. This group leaves planet Oa, eventually becoming the Controllers. Another group decides that evil should be destroyed. This group eventually became the Guardians of the Universe. One group of Oans desires to dedicate their immortal existences to contain evil. The group argues over ways to handle the situation. Now calling themselves Oans, they feel responsible for the catastrophic effects on the universe caused by one of their own, the renegade scientist Krona. These beings left Maltus and colonized a new world called Oa. They were now originally part of a race of immortals called the Maltusians. The Controllers' origins were changed during the Crisis on Infinite Earths events. The Legion's long-time enemy Time Trapper was revealed to be a renegade Controller. This concluded with ' The Death of Ferro Lad' story where Ferro Lad dies destroying the Sun Eater. They used their mind-control abilities to prevent intergalactic war, but also had powerful weapons, including the Sun-Eater. Their universe had almost been destroyed by war, and they were determined to prevent the Earth-One universe from going the same way. In their initial appearance, the Controllers came from 'another space-time continuum'. Fictional character biography Pre-Crisis

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