A slightly new look for Electrode, so it's less like Voltorb got pallet-swapped, but still Electrode-y.
Backstory: (As Voltorb) When the modern Pokeball had just been developed, a small creature had found its way into the factory and was playing around with some of the prototypes. It suddenly got caught in one by accident, and due to an electrical surge, got trapped inside. The angry face that Voltorb seems to always have is actually one of frustration, exploding all the time because it wants to break free.
(As Electrode) When a Voltorb finally manages to break free with a strong enough explosion, the two halves of the ball expanded from the blast and flew away from it. The bottom part landed back on its head. However, since it is actually rather timid and shy, it pretends to be angry and hides within the empty, broken ball to protect itself from enemies. It will, however, lash its claws out to strike at foes.
Its body looks translucent due to the mirrors lining the inside of the ball reflecting off of it.
Only thing that changes with its moveset is that it learns Shadow Claw at level 30.