Because you like Agent J in Men in Black
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
He might look like a pretty boy, but resourceful Leon Scott Kennedy is the man to have at your side during a crisis. See them in Resident Evil Series.
It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.
After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.
All the world's a stage, and Missy Piggy's never one to give up the spotlight. See them in The Muppet Movie.
Po is a clumsy, friendly panda who likes to take it easy. But now he's expected to save the world? See them in Kung Fu Panda.
Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.
He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.
With the loyalty and pluckiness of a puppy, Nana Komatsu is a hopeless romantic. See them in Nana.
Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.
Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.