Leo Borlock was a member of the Annunaki, a race of giant spacefaring humanoids who were said to have created mankind thousands of years ago. Borlock believed that humanity was responsible for the destruction of the Annunaki and was out to avenge his fallen brethren.
Power and domination
Borlock was also motivated by a desire for power and domination. He believed that he was superior to humans and that he had the right to rule over them. He wanted to create a new world order where humans would be enslaved and the Annunaki would once again be the masters of Earth.
Personal glory
Borlock was also driven by a desire for personal glory. He wanted to be remembered as one of the greatest villains of all time and he was willing to do whatever it took to achieve this goal. He was ruthless, cunning, and intelligent and he was willing to use any means necessary to achieve his goals.