Roswell: Little Green Man was a Bongo Comics series created by Bill Morrison. It ran from 1996 to 1999.
Roswell was Bongo Comics' first title that featured characters from outside the Simpsons universe. The series followed the misadventures of an extraterrestrial who arrived at Earth via the 1947 Roswell UFO incident.
References
Roswell, Little Green Man Wikipedia(Text) CC BY-SA