Grandiloquent word of the day:
Doryphore [DOR-uh-for]
(n.)
-One who draws attention to the minor errors made by others, esp. in a pestering manner; a pedantic gadfly.
-One who gains pleasure from pointing out minor errors; a nitpicker.
-A pedantic and annoyingly persistent critic.
From French “doryphore” - Colorado beetle, a potato pest, from Greek “doruphoros” - spear carrier. Word was coined by introduced by Sir Harold Nicolson. Earliest documented use: 1952.