It's short for Iwane.

Also, why is your hair the same color as… Stop what? We had dreams. Parker, what are you doing? Noodles, you'll take his jacket and cuff… Please. It just went a little far, all right? Because she can get close to him. Okay, now I know you're both crazy. Where the fuck is the lighter? Does he still trust her? Because I was there, Ned. I don't need it for this, right? Get my microphone out of the way. We made plans.