To create the Kanjiklubbers’ dialogue, Disney’s Lucasfilm enlisted Ms. Forsberg after her YouTube video “What Languages Sound Like to Foreigners” went viral in 2014. In the video, she mimics the sounds of 20 languages ranging from Estonian to Japanese, though her approximations don’t mean anything.
Ms. Forsberg, 21, has relocated to Los Angeles and is pursuing a singing career under the name Saara, but when Lucasfilm came calling, she was living in the small Finnish town of Jakobstad. She told me that she was surprised by the offer because she lacks any professional background in languages. (She speaks Finnish, Swedish and English fluently and has studied many more informally.)