Who Is Thea Stilton?

Thea Stilton is Geronimo Stilton's sister, she has a ton of boyfriends, she also likes to drive sport cars. Thea Stilton writes books like Geronimo Stilton does. She is nothing like Geronimo, because she is hardly scared of anything. If I was Thea Stilton I would drive around all day, but I am a bit like Geronimo, because I am scared of somethings too.