Analog robot
An analog robot is a type of robot which uses analog circuitry to go toward a simple goal such as finding more light or responding to sound. The first real analog robot was invented in the 1940s by William Grey Walter. The name of these robots were ELSIE and ELMER (Electro Mechanical Robot). The original circuitry was developed using two vacuum tubes and a photocell to search and follow a light. Recently a kind of analog robots was developed by Mark Tilden.
Atomic Robo
Atomic Robo is a robot possessing "automatic intelligence", created by Nikola Tesla in 1923. He is a core member of Tesladyne Industries, "a thinktank dedicated to exploring the fringes of scientific inquiry", whose Action Scientists often respond to paranormal and supernatural emergencies. Robo has a well developed sense of humor, and makes numerous wise cracks at his foes' expense. In the past, he has secretly worked with the United States government as well as NASA. Robo's personality is based on Clevinger's grandfather.