She belongs to Kate Nan’s daughter.
Nan is looking after Candy till Kate is ready to have her back. She lives in the junk cupboard with Zach.
Candy is a sensitive pony that worries a lot. Like Zach she can speak but Nan doesn’t know.
Candy worries all the time, she worries about Zach her best friend, she worries that Nan will find out she can speak.
Candy just worries.