User blog comment:Sugardapuppy/Kanto - Trouble at the Cerulean Gym!/@comment-4374498-20120830003625

Evanna: What's so great about Cerulean Cave? *looks across the stream to the mouth of the cave*

Danny: There's a legend that the most powerful Pokémon in all of Johto is hiding deep inside it... Mewtwo.

Evanna: Mewtwo?