Katie Mitchell

Katie Mitchell is an aspiring filmmaker and is the daughter of Rick and Linda Mitchell. She is 18-years-old and is Aaron’s older sister. In addition to films she is interested in technology. She dreams of going to college to study in a bid to launch a career in movies.

Throughout The Mitchells vs. The Machines
When Katie gets accepted into the film school of her dreams, she says goodbye to her family, but her plans to meet "her people" at college are completely upended when her nature-loving dad Rick plans for an ultimate family road trip. This means instead of flying there as she planned, Rick, her mom Linda, her little brother Aaron, and the family's pet pug Monchi, will drive Katie to her school together.

Personality
Katie is an imaginative and quirky girl who enjoys filming shorts for her YouTube channel.

Physical appearance
Katie is a young lady with light complexion. She has medium length maroon hair tied into a ponytail with parts sticking out on the sides. She has dark eyes and wears large and thin black squared glasses. She also wears a yellow thunderbolt earring on her left ear and has black nail polish.

She wears an open, cherry red hooded jacket with white drawstrings. She has several badges attached to it, one in particular being a queer pride pin. Underneath her jacket is a white shirt with a drawing of a colorful monster. She wears sea blue jeans with rips and holes at the knees. Her shoes are grey-blue with white tips and laces. She has small drawings on her hands.

Trivia

 * It is possible that she is a lesbian because of how in the Epilogue of the movie her mom asked her, "If she and her friend Jade are a 'thing' yet" signifying that Katie may have romantic feelings for her.