The official site
Satan
Eyes: Black
Hair: None
Race: Fallen angel
Occupation: Ruler of Hell
Marital Status: Single
Base of operations: Hell
Continuity: South Park
Company: Comedy Central
First app.: Damien (1997)
Creator(s): Trey Parker
Matt Stone
Country of origin: USA 
Cross cultural references:
If you enjoyed this character/series, you might enjoy
Lucifer/Alexander Graves: Rob Liefeld's take on the ruler of Hell.
Lucy Furr: Jonnie Allen's version of the ruler of Hell from Stykman.
Lucy Furr: Jonnie Allen's version of the ruler of Hell from Stykman.