hmm.. that doesn't really look that high-poly to me but whatever. the wireframe seems pretty nice, but you've got tons of 5-sided faces in there, which i believe aren't very good for deformation and stuff.
Why hasn´t anyone commented on this yet? I like it. Although i´m not really sure where you put those 2800 tris Care to share a wireframe? The expressions are cool but his Hands and lower legs could use a bit more work.