Shrequaad
When one or more followers of Shrek works secretly with followers of of Dhrek (Drek) to overthrow Shrekism. They are usually killed or "Shrekt" in each Shrekoning.
Shrekism Meeting:
PASTOR: "We have a Shrequaad among us."
ATTENDEES: *All gasp*
PASTOR: "We have a Shrequaad among us."
ATTENDEES: *All gasp*