Super Villain

In Villains that always kill their subordinates.
Super Villain is approached by Injured Minion. He explains that he played dead to escape the hero. He then kills him. Patrick then explains that he has killed all of his allies. Super Villain attempts to then kill Patrick, but he says that he no longer needs oxygen to survive.

In Overpowered Villains (again)
Super Villain is fighting Tremaine, and plants a knife in him. Tremaine is saved by his friend, who is killed seconds later. Super Villain rushes in with a katana to finish off Tremaine as well.

In If people in anime actually took their bleeding serious.
Super Villain is fighting a hero, and is punches in the rib causing him to bleed out of the mouth. He is very frightened whilst the hero calls him weak and says how this happens to him all the time.

In When the hero is just as smart as the villain
Hero pursues Super Villain on him trying to steal a key to a safe that held millions of dollars. He says he swapped the key before he got there. Super Villain counterattacks by stealing the key and replacing it. Hero then counters by saying he made a fake one and made the villain put the real key back in its place. Super Villain threats to explode the city if he doesn't give up the key. Hero says he stole the battery to his detonator. Super Villain says he put them on a back-up timer. Hero says he disarmed them. Super Villain then attempts to blow up Hero's dry cleaner but he already moved the bombs to his dry cleaner. Super Villain then reveals that he was home all along and they were FaceTiming. Hero then reveals that he's in his house and starts knocking on his door.