It's probably Moggadeet you are thinking of, but Werts also does celebrity heads (just morph targets usually, no Poser or DS files.)

http://www.sharecg.com/pf/full_uploads.php?pf_user_name=WERTS

 

Marieah did inj files for a few of them, which are here

http://www.sharecg.com/v/41628/gallery/11/Poser/werts-Movie-Stars

Cheers,
Alisa

RETIRED HiveWire 3D QAV Director