Because you like Donna Pinciotti in That '70s Show

Troy Bolton is a triple threat: singing, dancing, and basketball. See them in High School Musical.

Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.

Effie Trinket is utterly enamored with all things fashion, make-up, and style. See them in The Hunger Games .

With a song always on her lips and her heart on her sleeve, Maria von Trapp is the governess every kid dreams of. See them in The Sound of Music.

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

Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.

Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.

Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.

The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.

Intelligent Adele is soft spoken yet brimming with emotion. See them in Blue is the Warmest Color.

Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.