Bertram Larvan was an inventor who designed a mechanical insect to control insect pests. Unfortunately, he had no financial backing to support his invention. He resolved to steal money he needed for his invention. He later used his invention to steal more. Soon, he had an army of mechanical insects. Two of his many insects were stag beetles who could bite through steel and spiders with webs that could support the weight of a man. Bertram took the name of the Bug-Eyed Bandit. He was thwarted by the Atom.