Incorrect Group Names

A caucophony of ninjas.
A rookery of knights.
A congregation of Anglicans.
A pride of mimes.
A herd of linux kernel hackers.
A brood of optimists.
A wake of narcoleptics.
A bed of pimps.
A litter of park wardens.
A pod of blackberries.
A stable of psychiatrists.
A pack of claustrophobes.
An exaltation of SUVs.