Character Recommendations Based on Sheldon J. Plankton

Sirius Black Harry Potter Series

An escaped convict on a mission, Sirius is brooding, brave, and reckless

E.T. E.T. the Extra-Terrestrial

This cheerful alien just wants to phone home

Augustus Waters The Fault in Our Stars

Charming and confident, Gus lives in fear of never leaving a lasting mark on the world

Kat Stratford 10 Things I Hate About You

Part of the "out" crowd and proud of it

Ron Swanson Parks and Recreation

The man's man's man's man

Sandy Olsen Grease

Wholesome and pure but also scared and unsure

Penny The Big Bang Theory

The girl next door, literally

Sharpay Evans High School Musical

She's queen of the stage, and not aiming to be replaced

Tobias "Four" Eaton Divergent

He's only afraid of four things, but you should probably be afraid of him

Sherlock Holmes Sherlock

This wildly brilliant detective can figure out everything except how to interact with other human beings