Catty Noir is a werecat, and one of the most famous pop stars in the monster world. Having performed on stage ever since she was young, Catty has decided to take a break from singing and attend Monster High as a regular student.
Abbey Bominable is the daughter of the Yeti. An exchange student from the mountains, she tends to be very upfront and direct with her opinions, but is a good friend to all. Her pet is a wooly mammoth named Shiver.