It's Misa Amane (Misa, Misa). She is presented here in this adorable key clasp. It has the popular Misa, the Death Note, and Kira charms dangling from it. Be sure to treat her nicely or she may use her Shinigami eyes and the Death Note against you

Misa Metal Chibi Key Chain
Swivel metal clasp/clip
Great Eastern Entertainment

Let us introduce to you the first and true Kira Light Yagami chibi key chain. that is, if you can handle it