User blog comment:J1coupe/Pokémon Showdown. Epic Rap Battles of Video Games Season 5 Finale./@comment-6533831-20140805065039/@comment-5264252-20140805090339

I'm the one who chose all the Pokémon here. He'd asked for one Pokémon from every generation. I chose each one I thought represented said generation the best, and obviously the mascot of the entire franchise is going to represent his generation the best over the Shadow the Hedgehog of Pokémon. :P