First Appearance: Llamas with Hats 6 (mentioned only)
Cause of Death: Buried alive by Carl
Enemies: Carl (possibly)
Likes: Her garden
Dislikes: Carl (possibly) and weeds
Series Lifespan: Llamas with Hats 6 to Llamas with Hats 6
Mrs. Bixby is a unseen character like Pat in Llamas with Hats. She was buried alive in her garden by Carl in "Llamas with Hats 6" because she had failed to keep up with the weeding and it was what she would have wanted.