Character Recommendations Based on Sheldon J. Plankton

Twilight Sparkle My Little Pony

A studious princess who's fascinated by friendship

Alyssa Foley The End of the F World

Blunt and crass teenage runaway

Quinn Fabray Glee

She can become a monster when there is something she wants

Wendy Darling Peter Pan

Loves storytelling and flying

Kristoff Frozen

He may seem standoffish, but this ice harvester secretly has a warm heart

Peter Pevensie The Chronicles of Narnia

Shows as much courage as a child king as he did under The Blitz of London

Bill Cipher Gravity Falls

Inter-dimensional demon who dreams of a more chaotic Gravity Falls

Rainbow Dash My Little Pony

Her ego is matched by an equally strong sense of loyalty

Alfred Pennyworth Gotham

Lethal, but loyal. Just the sort of butler you'd want in dangerous Gotham

Voldemort Harry Potter Series

A malevolent dark wizard so fearsome he's known primarily as "He Who Must Not Be Named"