Because you like Marvin T. Milk a.k.a. "Mother's Milk/MM" in The Boys

Harry Osborn is the privileged son of Oscorp's founder with a goblin-sized chip on his shoulder. See them in Marvel Cinematic Universe.

Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.

Derek Hale is not one to make allies easily. This moody werewolf is dark and brooding. See them in Teen Wolf.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

Gina Linetti views herself as a sort of life coach/influencer to the rest of the office. She's not so keen on the "work" aspect of her job. See them in Brooklyn Nine-Nine.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.

Newt Scamander is more comfortable with animals than people, even if the animals are super-dangerous magical creatures. See them in Fantastic Beasts and Where To Find Them.

Wendy Corduroy is the ultimate in cool in Gravity Falls. See them in Gravity Falls.

Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.

Rainbow Dash's interests include flying, playing pranks, and generally being themost awesome pony around. See them in My Little Pony.

Stoic, cynical, and brilliant, Solid Snake was genetically engineered to be the perfect soldier. See them in Metal Gear Series.