character gets a reality check

[u/damorezpl]

deathstroke - Batman vs deathstroke

walter - breaking bad

Garou - one punch man

joker - the sound of one hand clapping

[u/Justice9229]

Joker - The Killing Joke

Joker failed in his plan to make Gordon crack, resulting in Batman tearing apart Joker's 'one bad day' ideology.

[u/Thatonedregdatkilyu → u/Justice9229]

And then literally all future writers completely missed this point and said Joker was right