My Name Is What? Who?

12/5/2008 3:15 PM PST BY TMZ STAFF
After fading off into obscurity for the last few years, the rapper formerly known as Eminem resurfaced working on something in Santa Monica on Thursday.

Even though he used to be a big star and reportedly ballooned to 212 lbs, Marshall Mathers looked pretty much the same as he did when he was relevant.