Charlie McFadden is the primary hero of the Critters movies. He is played by Don Opper.
Initially, he is the town drunk, but after becoming a bounty hunter, he becomes more capable.
After a successful sweep of Crites, he is appointed as the new sheriff, but still hunts the remaining Crites. He has a custom gun that fires very fast bullets, and he gives out glowing sticks that acts as a warning when Crites are approaching.
McFadden appeared in all four original films. When the series eventually got revived, Don Opper did not return.