Gyro Gearloose invents a robot, Armstrong, which can not only perform household tasks perfectly, but can run Scrooge's businesses like clockwork and out-fly Launchpad. However, Launchpad and the boys become Scrooge and Gyro's only hope when Armstrong goes rogue and decides to take over his masters' lives. Written by
Did You Know?
[Duckworth prepares hot chocolate and marshmallows for everyone
Why are there no marshmallows in MY hot chocolate, Duckworth?
It's inefficient, sir.
Efficiency has its place. But not in my hot chocolate!
Oh, very good, sir!
[drops marshmallows in his hot chocolate
Referenced in DuckTales: Robot Robbers