Because you like Grunkle Stan in Gravity Falls

A no-nonsense professor famous for her strictness, Minerva McGonagall only shows her warmer side to those closest to her. See them in Harry Potter Series.

Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.

Mr. Fox will never truly be happy without a dead chicken between his chompers. See them in Fantastic Mr. Fox.

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

A self-professed psychopath, James kills small animals for fun. After getting bored of that, he is ready for an ambitious murder. See them in The End of the F World.

Though a painful tragedy leaves her closed off and distant, Rosalina is still an endlessly kind princess. See them in Super Mario Galaxy .

Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.

A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

Sometimes being a supportive girlfriend like Ophelia doesn't work out too well. See them in Hamlet.