Character Recommendations Based on Katana
Marty McFly Back to the Future

Skateboarder, aspiring rock star, and reluctant time-traveler
Cosmo Kramer Seinfeld

Eccentric schemer whom you might know better as the "ASSMAN"
Sheldon Cooper The Big Bang Theory

Brilliant in every way except, well, interacting with any human being
Claire Underwood House of Cards

Scary intimidating, and she knows it
Elizabeth Bennet Pride & Prejudice

It is a truth universally acknowledged that Lizzy doesn't suffer fools
Dipper Pines Gravity Falls

Investigating a truly strange town during the world's wildest summer vacation
Jim Halpert The Office

Good-hearted but underachieving office goofball with a huge crush on the receptionist with a fiancé
Amy Townsend Trainwreck

Rarely wakes up in the same bed twice
Hawkeye Pierce M*A*S*H

Devil-may-care Army doc who'd have the Devil laughing and drinking in five minutes flat

Tiffany Doggett Orange Is The New Black

A nice, good Christian... just don't get her riled up.