Here is Sasha wearing a Ravenclaw scarf from the Harry Potter books.
Sasha is a pooka that lives in thee Mechanic's garage/hanger. She arranges appointments for the mechanic and makes sure nothing fishy is going on in the garage. She knows a large range of languages, human and alien. She also does undercover work for the mechanic of spying on humans while acting like a normal cat. And she knows a lot about alien technology.