Because you like Finn Hudson in Glee

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

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

Reclusive, quiet, and seemingly emotionless, Lain Iwakura feels like an outsider in her hyper-connected world. See them in Serial Experiments Lain.