From the Super Mario Wiki
Officer Kicksworth is an enemy in the Smithsnorian Museum of Wario: Master of Disguise. When a Nigel B. Whistlebottom spots Wario, Nigel blows his whistle and brings some guardsmen into the room. One of these guardsmen is Officer Kicksworth - sometimes more than one Kicksworth come in the room. Officer Kicksworths can hit Wario very hard, sending him flying, and he does not land until he hits a wall. Officer Kicksworths cannot be defeated like the other guardsmen, but can be knocked out permanently. Officer Kicksworths are also thin and long.
This guardsman is a bit overcautious. He's the jerk you see waving everyone else through a four-way stop and installing antilock brakes on shopping carts.
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