Thrasher is a Dreadnok, the biker gang loyal to Zartan and aligned with Cobra. First released as a Hasbro carded action figure in 1986, with 1 distinct figure version produced across the ARAH 1982 to 1994 run.
Thrasher appears in 1 episode synopsis across the Sunbow (1983 to 1987) and DiC (1989 to 1992) runs, first appearing in Sunbow's "Arise, Serpentor, Arise!, Part 1" (1986). Full screencap and continuity review pending.