Need some kind of nickname

[CheertheSecond]

This character's signature move is called "Shame on you!"

I need a nick name.


Also, why don't I ever encounter any character in fiction with a nickname "Face Breaker"

 

[Prince_Azmiran_Myrian]

This character's signature move is called "Shame on you!"

I need a nick name.

Karen

 

[Hoshino]

"Backbone Blitz"
"Critical Crusader"
"Fearless Frenzy"
"Relentless Rampage"
"Maverick Momentum"
"Inevitable Impact"
"Powerhouse Punisher"
"Stalwart Surge"
"Unyielding Uproar"
"Unstoppable Onslaught"
"Vigilant Vortex"

Or you could go for karen as Prince_Azmiran_Myrian said.

 

[gaylolis]

nick

 

[Navillus]

Noblesse seems fitting since it basically means nobility but sounds extra gaudy.

 

[corruption]

For shaming others and criticising them? If you don't want something like Karen, I suggest Momos, also called Momus.
He was the ancient Greek/Roman god of sarcasm, ridicule, criticism, scorn, satire, mockery and other similar things.