Intimidating hockey masks
This may be why heroes never have trouble hitting the Faceless Goons, yet the Faceless Goons can't hit the hero not wearing a mask. It's not completely unknown for the good guys' Red Shirt Army to get this treatment, but nowhere near as common.
Should one of them lose their mask, they'll become a Uniformity Exception.
With HUGE reductions on all Aqualung equipment (BCD's, Regs, right through to Masks and snorkels!
Note that a balaclava or Ninja mask covers everything except the eyes, but goons wearing them still count.
This can also serve as a justification for why the Big Bad has so many identical soldiers running around.
A variant of this trope often occurs in superhero comics, with the various common criminals the hero can fight as a way to bring some action into the story.
Initially, Billy Loomis (Skeet Ulrich) created the identity with Stu Macher (Matthew Lillard) in order to kill Sidney because of her mother's affair with Billy's father.
The Ghostface persona remains the same throughout the Scream series, featuring a black hood and cloak with a jagged base and a white rubber-mask resembling a ghost with a screaming expression.