Dunderdummy:

A nickname given to DC Dom Capers by wist. This is in reference to wist's belief that Capers is a such a bad DC that it would not matter what personnel he is given, he will underutilize them, put them in poor position, or come up with a moronic defensive scheme (usually the much maligned 2-4 front) and thus will result in the defense playing poorly. Usually this involves not covering anyone in the middle of the field and being unable to stop the run. A synonym for this is also Spraypainthair.

Next up, I'm going old school (if it's allowed): Grabby McSmurf.