Because you like Torrance Shipman in Bring It On

Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.

The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.

Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.

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

Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

Everyone is just a chess piece, and Izaya Orihara is a master player. See them in Durarara!!.

The main priority for Nagisa Hazuki is making sure that everyone has fun. See them in Free! Iwatobi Swim Club.