Samuel "Kaiser" Villarreal is a Doomer best known for his work on the Doom 64: Absolution total conversion, the DSV megawads, the Kaiser series, and the SvStrife and Doom64 EX source ports. Formerly known as "Deathman," Kaiser is a veteran Doom level designer who has been creating Doom content since 1997 and has contributed to projects such as Community Chest, Community Chest 2 and Plutonia 2. He has also created some of the very first Strife pwads and contributed the KSSC tool to create Strife scripts. Kaiser has also been the first Doomer to successfully edit and hack Doom for the Jaguar, GBA, N64, and PlayStation platforms by extracting data and implementing custom data, including levels.