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Derpy Hooves (officially called Muffins,; also known as Bubbles and Ditzy Doo) is a fictional character who appears in the fourth incarnation of Hasbro's My Little Pony toyline and media franchise, beginning with My Little Pony: Friendship Is Magic (2010–2019). She is voiced by Tabitha St. Germain.
Derpy Hooves is depicted as a clumsy but well-meaning anthropomorphic pegasus with crossed eyes. She works as Ponyville's mail carrier and occasionally assists the weather team. Unlike the main characters, Derpy began as a background character whose distinctive appearance was initially an animation error that fans noticed and embraced, leading to her becoming a fan favorite and eventually receiving official recognition in the show.
Derpy Hooves first appeared in the series premiere as a background pegasus pony with her eyes accidentally rendered cross-eyed. Fans quickly noticed this distinctive trait and began calling the character "Derpy Hooves" (later shortened to just "Derpy").
The character gained increased prominence in the show after fan recognition, appearing in various episodes as a background character. In the episode "The Last Roundup", Derpy received her first speaking role and direct acknowledgment when Rainbow Dash addressed her by name. The character's clumsiness caused property damage in this scene, establishing her canon personality trait.
Throughout the series, Derpy appears primarily as a mail carrier and occasionally as part of Ponyville's weather team, often in humorous background gags that showcase her well-meaning but accident-prone nature.
Derpy Hooves makes a minor but notable appearance during the Storm King's invasion of Canterlot. When Tempest Shadow attempts to turn Twilight Sparkle into an obsidian statue, Derpy accidentally gets caught in the crossfire and is turned to stone instead of Twilight, inadvertently saving the princess. After the defeat of the Storm King at the film's conclusion, Derpy is restored to normal along with the other petrified ponies when the princesses' magic is released from the Storm King's staff.
Derpy Hooves originated as an unnamed gray pegasus in the series premiere of My Little Pony: Friendship Is Magic in 2010, where a background pegasus pony was accidentally rendered with crossed eyes (strabismus). This distinctive trait was first noticed by fans on 4chan's comics and cartoons board (also known as /co/) on October 25, 2010, when a user named Dr. Foreigner directed others to "Go to 17:18 into the first episode and look at the ponies in the background." In the same thread, Dr. Foreigner declared: "And so the legend of Derpy Hooves was born," cementing the character's fan-given name.
After the episode aired, Hasbro received complaints about the character potentially being offensive to people with disabilities. In particular, the word "derpy"—an Internet slang term used to refer to a mentally handicapped individual—has been described as ableist. As a result, the episode was edited to remove her name and alter her voice. In later seasons, the character continued to appear but was officially referred to as "Muffins" in merchandise and credits, though she retained her signature crossed eyes and clumsy personality. Throughout the series, Derpy appears primarily as a mail carrier and occasionally as part of Ponyville's weather team, often in humorous background gags that showcase her well-intentioned but accident-prone nature.
Within the brony fandom, Derpy Hooves has become one of the most beloved and celebrated background characters of My Little Pony: Friendship Is Magic. Fan works featuring Derpy expanded well beyond simple discussions, inspiring fanfiction and fan art. The character's popularity has translated into commercial success, with retailers like Hot Topic selling Derpy-themed clothing and companies such as Funko producing collectible figurines featuring the cross-eyed pegasus.
The brony fandom has been recognized for effectively bringing Derpy Hooves—a previously unnamed background character—to life through collective creativity and enthusiasm. This phenomenon represents an example of participatory culture, where the boundary between content creators and consumers becomes blurred. The showrunners' decision to create a tribute to the fandom in the form of an episode, which features Derpy as a main character, has been described as a "radical" decision.
The incorporation of Derpy into the official show has been analyzed as a symbol of acceptance for bronies, with some scholars suggesting that the character's outsider status resonates with adult male fans who may feel marginalized by mainstream masculine culture. Derpy's evolution and rise in prominence among the fandom demonstrates how the brony fandom influenced the show itself, creating a feedback loop where producers acknowledge and incorporate fan preferences to strengthen audience engagement.
In his 2013 article The Ballad of Derpy Hooves, professor of media studies at the University of Colorado Colorado Springs Christopher Bell argued: