Character Recommendations Based on Gertrude
Percy Jackson Percy Jackson & The Olympians: The Lightning Thief

An ordinary student thrust into the world of myth come alive
Katniss Everdeen The Hunger Games

An inadvertent revolutionary with a prickly personality and an innate desire to help people
Dipper Pines Gravity Falls

Investigating a truly strange town during the world's wildest summer vacation
Maleficent Maleficent

Hell hath no fury like an evil fairy scorned
Joey Tribbiani Friends

A friendly guy who loves women and sandwiches
Chandler Bing Friends

Could he BE any funnier?
Stiles Stilinski Teen Wolf

Smart, sarcastic, and loyal, Stiles doesn't just want to be the sidekick in someone else's life
Sheldon Cooper The Big Bang Theory

Brilliant in every way except, well, interacting with any human being
Phoebe Buffay Friends

Singer, masseuse, and free spirit
Aang Avatar: The Last Airbender

He has the destiny of a wise monk and the attitude of a fun-loving schoolboy