An all-caps variant of Dom Casual, with added flames. Origin unknown. Shown as Firebug in Dan X. Solo’s Special Effects and Topical Alphabets (Dover, 1978).
Various digitizations, including Firebug by Dan X. Solo (included in Dover’s Special Effects book + CD pack, 1999), Crackling Fire (1991) by David Rakowski, Hellfire (w/ italic, 1995?) by SWFTE, Flaming Display Caps (1996) by WSI, among others. [Solopedia]