The Bissell won't do it for Troll spots. You've got to go heavy-duty...Rent one of those Turbo-Troll-SteamVacs and buy Troll-Strength Febreeze (sp?)...And get it fast. Once it sets, you just can't get rid of the Troll smell.
As much troll as she's ingested lately, I might just have to recarpet the house! :-)