Pikachu, What's This Key? Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Appearing before Pikachu and friends is the keyring Pokemon Klefki. Inserting a mysteriously shaped key into the keyhole floating in the air a very mysterious portal appears! Klefki has the key to go to various worlds. What kind of world will the key that Pikachu holds lead to? Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Shin, Yuji Ueda, Yuki Kaji, Ikue Otani, Mariya Ise, ichiro Miki, Chika Anzai, Kenta Miyake, Megumi Satou, Inuko Inuyama, Rikako Aikawa, Tomoko Kaneda, Yuka Terasaki, Mayu Watanabe, Rica Matsumoto .