She is an 8-year-old girl with a kidney disease and is desperate for a kidney transplant. Harold and his friends took her to the carnival where she can enjoy some fun. After the doctor tells her she can't be given a kidney until they find a donor, she leaves the hospital and decides to go back to the carnival where she can have fun again. Feeling ill on the merry-go-round, The Cosby kids found her passed out and rushed her to the hospital, where she has finally received her new kidney.
- Robin strongly resembles Violet, Edward's younger cousin from the very first episode, "Lying." The only difference between them is that Robin's ribbons are red and Violet's ribbons are white.
- She is voiced by Erika Scheimer