Because you like Madoka Kaname in Puella Magi Madoka Magica

Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.

Petyr Baelish's main assets? A sharp mind, deep pockets, and no scruples. See them in Game of Thrones.

Carl Gallagher is a budding psychopath fascinated with rule breaking. See them in Shameless.