Mopsy is Flopsy Rabbit's 10 year-old rabbit twin sister, Peter Rabbit and Cotton-Tail Rabbit's older sister, daughter of Mrs. Josephine Rabbit, Benjamin Bunny's cousin, and Mr. Bouncer's niece. Mopsy is voiced by Megan Harvey. Likes: Being together with her twin sister, Flopsy. being in control with Cotton-Tail and everyone in the woods, knitting with Flopsy, painting pictures with Flopsy, cleaning up the floor with Flopsy and taking care of their little sister, Cotton-Tail.
Mopsy wears a white dress with light blue highlights and red flowers on it and she's a girl big rabbit but she's very kind and sweet to her twin sister, Flopsy and their little sister, Cotton-Tail in the rabbit burrow. Mopsy sings on-key while getting their little sister, Cotton-Tail to sleep in The Tale of the Dash in The Dark. Perhaps due to growing up with a mischievious brother, Mospy displays a docile responsibility for her age and obeys her mother's wishes without hesitation.
Mopsy Rabbit is a young female rabbit with brown fur and golden eyes, she wears a white dress with light blue highlights and red flowers on it. Apart from their dresses, Mopsy and her sister, Flopsy look identical.
Mrs. Josephine Rabbit has a very similar relationship with her mother as Flopsy does. Mrs. Josephine helps Flopsy & Mopsy whenever they need her to whether it is around the rabbit family burrow, cooking, and taking care of their baby sister, Cotton-Tail in the burrow in The Tale of the Dash in the Dark. She's good with babies.
Flopsy Rabbit is Mopsy's twin sister, they are seen doing everything together and they both like to knit together, paint together, and they also like taking care of their baby sister, Cotton-Tail.
- Also See: Flopsy and Mopsy
Just like her twin sister Flopsy, Mopsy doesn't seem to have a very close relationship with her brother, Peter. Although just like her twin sister, she does care about Peter whenever he is in trouble and he can also be protective of her whenever she is in danger. He even wishes to help Cotton-Tail in The Tale of the Dash in the Dark.
Cotton-Tail Rabbit is Flopsy, Mopsy, & Peter's little 1 year old sister and Benjamin's cousin Cotton-Tail's 1 year old and she's the smallest in the rabbit family and Cotton-Tail hugs her squeaky rabbit dolly in her crib. Cotton-Tail loves her family. Mopsy and her sister care for Cotton-tail deeply. They worry when Mrs. Josephine decides to leave Peter in charge of babysitting the baby as he is known for mischief.
- Her favorite pie is mix berries.
- She sings beautifully in The Tale of the Dash in the Dark.
- Although she loves her brother, Mospy often doubts Peter's ability to keep out of mischief and has an eye out for him when he is given responsibilities by their mother Mrs. Josephine.
- Flopsy is Mospy's twin as they possess identical features.