Tazok and the look of half-ogres in BG:EE

Just wondering. Since BG:EE is in the BG2 engine, but Tazok seems to resemble his BG1 self as opposed to his BG2 self. Should we expect him to look the same in BG2:EE or will we see his BG2 self?

Also, is it possible to override Tazok's file (or half-ogres in general) to get the BG2 animation instead? I kinda prefer that one over the BG1 version.