I, the villain of destiny, become invincible starting from crushing the hero

In every male video novel, there is a Long Aotian who slaps his face by pretending to be coercive, and a group of cannon fodders forcibly degraded by Long Aotian's halo.
Gu Xiao's task is to be a chivalrous man in these online novels, to improve the IQ of all the people on the plane, and to rub the male lead's dog's head madly.
In the son-in-law article, he is the younger brother who loyally cooperates with the male lead to pretend to be aggressive, and is even slapped on the head by the male lead with Pleasant Goat and Big Big Wolf;
In Shen Haowen, he is the rich second generation whose whole family was shoveled by the hero;
In historical texts, he was a generation of literary giants who should have left a name in history, but was accepted as a younger brother by the male protagonist who passed through later generations, and lived an ordinary life;
In the God of War novel, he is the cannon fodder who let the hero's daughter sleep in the kennel at the beginning