Billy Ethan Khan - is a video game programmer. Billy Ethan Khan began his career in 2016 and has worked for companies such as Bethesda Softworks and id Software. Billy Ethan Khan's first game was DOOM (2016) which was released 5 years ago. Best Game Billy Ethan Khan contributed to was DOOM (2016). Billy Ethan Khan's latest work is Quake Champions which was released 4 years ago.