Because you like Mark Watney in The Martian

Gomez Addams fills his days with ghoulish and ghastly forms of recreation, enjoying life and all its pleasures to the fullest. See them in The Addams Family.

April Ludgate doesn't like sunshine. She's more of a blood and guts kinda girl. See them in Parks and Recreation.

If the awesome Andie Walsh is from the wrong side of the tracks, we don't want to be right. See them in Pretty in Pink.

Franklin "Mouse" Finbar is a jock paying the price for his mistake. See them in Jumanji.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.

C is for cookie, and that's more than good enough for him. See them in Sesame Street.

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .

Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.

Linda Belcher doesn't prescribe to what society deems as "normal." She narrates her life through song, much to the alarm of everyone nearby. See them in Bob's Burgers.

Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.

Causing mayhem practically since birth, rambunctious Fred Weasley plays pranks on his siblings and avoids school at all costs. See them in Harry Potter Series.