"I should warn you, the Way of the Thunderpunch isn't as glamorous as the exhibition matches make it look ... are you ready to drill till you drop?"
Fun fact: Pikachu is actually slightly biased in favor of physical attacks. I suppose this one just kept pushing the balance even after he evolved.
Link
Calcimas
So this is a Raichu with 252 EVs in Attack... Quite a powerful form! I wonder what one with 252 EVs in Special Attack would look like... 🤔