Because you like Greg Lestrade in Sherlock
Ichigo Kurasaki is a short-tempered, strong-willed teen who is deeply protective of those he loves. See them in Bleach.
A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.
Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.
When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.
Impassive, overly literal, and a little short on people skills, Angel dedicates her life to enforcing the rules. See them in Angel Beats!.
Ben Barber is ready to show you that he's twice the man you think he is. See them in Ride Along.
While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.
Reclusive, quiet, and seemingly emotionless, Lain Iwakura feels like an outsider in her hyper-connected world. See them in Serial Experiments Lain.