feature creature n.

[poss. fr. slang `creature feature' for a horror movie] 1. One who loves to add features to designs or programs, perhaps at the expense of coherence, concision, or taste. 2. Alternately, a mythical being that induces otherwise rational programmers to perpetrate such crocks. See also feeping creaturism, creeping featurism.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.