The GDC clip is basically him talking on others people work completely unrelated to what he's supposed to sell. High five!
Have a look at some of the ZBrush work behind Epic’s Paragon characters. Kevin Lanning, the Lead Character Artist on Paragon, launched an amazing thread on ZBrushCentral that will allow the team to start sharing some of the Zbrush modeling work the team has done for recent and upcoming Paragon Heroes/Skins.
Paragon is the Epic’s third person Free-To-Play action MOBA that is currently in open beta on PS4 and PC. It appears that the character team behind the game is quite huge and there’s a reason for that.
Make sure to check out other artworks here.