Night Creeper Leader is a Cobra operative in the original G.I. Joe: A Real American Hero line. First released as a Hasbro carded action figure in 1993, with 2 distinct figure versions produced across the 1982 to 1994 ARAH run.
Night Creeper Leader appears in 1 episode synopsis across the Sunbow (1983 to 1987) and DiC (1989 to 1992) runs, first appearing in DiC's "Revenge of the Pharaohs" (1990). Full screencap and continuity review pending.