MacGyver is persistent and spontaneous. He employs improvisation to evade anticipatory countermeasures, and his plans are difficult to thwart on account of their unpredictability. This constant spontaneity challenges MacGyver as well as his adversaries. Because MacGyver continues to operate in this manner, it is assumed the tactical advantage of spontaneity outweighs its disadvantages. This is observed by MacGyver's nemesis Murdoc.