Because you like Marvin T. Milk a.k.a. "Mother's Milk/MM" in The Boys
It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.
Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.
Raphael is a short-fused hothead who loves a good fight and some tasty pizza. See them in Teenage Mutant Ninja Turtles.
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.
Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.