Red Fascists 

Red fascists are people or groups who spread or use fascistic ideas or methods and call it Communism.

Person A: Wow, Antifa are a bunch of Red fascists.
Person B: Correct

Red Fascists by NoggDong October 16, 2019

Red Fascist 

People who express left-wing politics but also show sympathy or support for reactionary/chauvinistic/authoritarian ideology. Often used by anarchists and left-libertarians.
However, there are ideologies that are a synthesis of fascism and left-wing economic policy such as National Bolshevism

Vaush's videos defending tankies makes him look like a red fascist

Red Fascist by Cryo311 May 31, 2023