[Definitely another person that knows him, and seems to be close to him... he gives him an apologetic frown.]

Sorry... I got nothing.

[Shigeru is the first person to look this upset about Dodger's lost memory... so he must be someone important, and that makes Dodger hesitate a few seconds before his frown deepens.]

I can't really... remember much past my 20th birthday right now. Some other people got me up to speed that I'm not... actually 20 anymore, but I seriously can't remember shit. [Another pause.] You mind.. telling me who you are? And... how you know me?