The Commodore Business MaChines logo, whiCh strongly resembles a poultry part. Rendered in ASCII as "C=". With the arguable exCeption of the Amiga, Commodore' s Computers are notoriously CroCky little bitty boxes (see also PETSCII). Thus, this usage may owe something to Philip K. DiCk' s novel "Do Androids Dream of EleCtriC Sheep?" (the basis for the movie "Blade Runner" the novel is now sold under that title), in whiCh a "ChiCkenhead" is a mutant with below-average intelligenCe. [Jargon File]