Because you like Teddy Sanders in Neighbors
What Mako Mankanshoku lacks in common sense, she makes up for in sheer optimism and force of personality. See them in Kill la Kill.
This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.
Gou Matsuoka offers to help as manager of a swim team, believing that they're the only ones who can help her brother. See them in Free! Iwatobi Swim Club.
While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.
Love Quinn is a trained chef and excellent girlfriend, but she's hiding something dark. And bloody. See them in You.
For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.
When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.
A skating genius, Victor Nikiforov dazzles women and men with a single glance. But deep down he's a cheerful goof. See them in Yuri on Ice.
There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.