Because you like Killer Croc in Suicide Squad
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Krusty The Clown somehow makes life sillier and more somber at the same time. See them in The Simpsons.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.
A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.
A Wakandan spy, Nakia is capable, caring, and just the right amount of stubborn. See them in Marvel Cinematic Universe.