>>53864118People who point at Voltorb and Electrode as especially terrible designs are dumb and here are the reasons why
The fact they knew the PokeBall would become an iconic symbol before the first games even came out is pretty dope
Voltorb is negative(angry) electricity and Electrode is based on positive(happy) electricity which is why it turns upside down when it evolves, and the Hisuian forms inverse this. being based on a fundamental concept of electricity is cool
Simplicity is elegance. A simple design is not a bad design, it's just uncomplicated, which fits Voltorb and Electrode because their gimmick is to explode. It's very direct attack method. No frills. Just a terrifying exploding ball.
People always harp on about designs, but what about other things that make a mon cool? Electrode and Voltorb are cool because they're EXPRESSIVE. Their expressions are highly animated and over-the-top, and this works best with a simple design. They have a lot of energy to them and they do a great job making these guys feel volatile.