Greg Kettell - is a video game programmer. Greg Kettell began his career in 1998 and has worked for companies such as Monolith Productions and GT Interactive Software. Greg Kettell's first game was Blood II: The Chosen which was released 25 years ago. Best Game Greg Kettell contributed to was Blood II: The Chosen. Greg Kettell's latest work is Blood II: The Chosen which was released 25 years ago.