In the seriesEdit
Restoration of FaithEdit
In "Restoration of Faith", the troll Gogoth guarding a bridge refused to let Harry Dresden and Faith Astor pass demanding his right to eat the girl who because she misbehaved. Karrin Murphy killed him. This is how Harry and Murphy first met.
In Proven Guilty, Harry Dresden found numerous dead Troll bodies burned by Hellfire. They had ornate weaponry—they were Mab's guard. When Dresden held his hand over one, he felt the psychic residue of its last memories, sending images of his violent death.