I also know that in the second movie, the sequel, Eric made some huge advances with the robot suit. That just made it even better. You put the suit on and moved your arms then the robot's arms would move in sync with yours.
“That type of autograph, pictures and apparel thievery was not part of what I grew up with. I loved the artists and their music. I would be thrilled to meet them, but the thought of getting a scribble or stealing an article of clothing never occurred or appealed to me.”