Steeler is a G.I. Joe team operative in the A Real American Hero line. First released as a Hasbro carded action figure in 1982, with 2 distinct figure versions produced across the 1982 to 1994 vintage run.
Steeler appears in 1 episode synopsis across the Sunbow (1983 to 1987) and DiC (1989 to 1992) runs, first appearing in Sunbow's "Worlds Without End, Part II" (1985). Full screencap and continuity review pending.