Rigor Mortis
Artist with the following albums: "I love you", "Deathlike", "Freaks", etc...

Rigor Moses
Artist with "Fetch" album

Rigor Sardonicous
Artist with the following albums: "Principia Sardonica", "Apocalypsis Damnare", "Apocalypsis Damnare (Re-Released 2005)", etc...

Rigorism
Artist with the following albums: "Cold & Pain", "Human Fear", "The Sourse Of Suffering"

Rigorous Recordings
Artist with "The Harvest - Reaping Rewards" album