Gwendolyn, the Siamese Cat is the tertiary protagonist of the animated movie, The Fearless Four. Originally a rich cat, owned by a benevolent lady, Gwendolyn was forced to leave her home after her owner's death, while the lady's family fight over their riches. Despite her loss, Gwendoly gets a new career as a singer, after happening on Fred and Buster, two other animals, who also seek to make their lives better. With the addition of Tortellini, Gwendolyn officially becomes the female singer of the musical band of The Fearless Four. Yet, her life would be threatened once more, when Dr. Greed and his allies make preparations to attack the musical group in Heroes vs. Villains War.