Pickachu is a foreign creature that resembles a cute yellow rat with red circles on its cheek from harsh physical abuse from its trainer.
Because of the cuteness that seems to radiate from this specimen, it seems to temps trainers to continuously abuse there friendly pokemon.
Its only defense is to shock the living shit out of its trainer, but seems to only expel enough volts to make them dizzy untill they return to abusing it.
A "Pickchure" is a poor excuse for a picture. This was invented by the account YouChewPoopCritic, who writes like a toddler and draws worse than a 6-year old kid. He wanted to write "Pictures" but finished writing "Pickchures".
He wrote this on one of his videos with "Pickchures":
Thiss is a sho abot pickchures i mad!!!1 Onlyy walrusguy cood macke pickchures as funy as thesee.