Sophie is Claudia Furschtein's small dog who enjoys annoying Klaus in The Chipmunk Adventure.

Sophie is believed to be a Yorkshire or Silky Terrier. She is perceived to be nice at the beginning of the movie but proves to be as cold-hearted as Claudia.

Acts of her cruelty include:

  • Ripping Klaus Furschtein's designer socks.
  • Popping Klaus' floating pool chair for him getting water on her.

She seems to only have sympathy for Claudia, and very little for Klaus.

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