The Special Interdepartmental Elven Languages Unit (abbr. SIELU) is a division of the Department of Floaters designated especially to handle badfics whose problems aren't bad enough to warrant attention from the other overworked departments, but that are still guilty of mangling one or more of Middle-earth's Elven languages to the point of seriously disrupting the Elves. SIELU is headed by the Poison Ivy. Its flash patch is the Sindarin text for "Wisdom." The division and its original personnel were created by Hellga.