Dr. Olberman

Dr. Olberman is a scientist who works for Mr. Burns at the Nuclear Power Plant.

History
Olberman invented a ray which was intended to reverse the aging process and tested it on Homer. However, it instead functioned as a growth ray, turning him into a giant. Olberman created a serum which reversed the process.

Olberman later reprogrammed the ray so that it would shrink objects instead of enlarging them. He used the ray on Homer and sent him inside Mr. Burns' stomach to cure his indigestion.

A giant robotic Burns-shaped ant captured Olberman and Professor Frink. Homer fell into the robot's head, causing it to instead eat donuts.

Olberman developed a form of donut that was extremely addictive, which was eventually sold on the market. The donuts were retired after they caused the power plant employees to become obese and unable to work properly.