Wikipedia:WikiFairy
A WikiFairy, also "WikiFaery", is the slang term for a wiki editor who beautifies wiki entries by organizing messy articles, and adding style, color and graphics. The efforts of a WikiFairies are normallly welcome, though they do not necessarily create new articles or affect the substantive content of the articles they edit.
WikiFairies are considered to be basically friendly, like WikiGnomes and Housekeeping Zombies, and unlike WikiGremlins.