Cindy, also known as Cindy the Cat, is the secondary antagonist of Five Nights at Candy's. She is an animatronic children's entertainer housed at Candy's, along with Candy, Chester, and the Penguin. She is a backup singer in the band.

Image source: https://www.deviantart.com/wolf-con-f/art/Cindy-the-Cat-Remake-635320639

(I edited the image to include the artist's name)