Because you like Marla Singer in Fight Club
Few can match this dwarf when it comes to self-confidence. Gimli is as eager for a good time as he is for a fight. See them in The Lord of the Rings.
Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.
Kendall Roy is a wanna be ruthless businessman who comes across more like an anxious teenager. See them in Succession.
Quinn Fabray can become a monster when there is something she wants. See them in Glee.
As a doctor-in-training, John Dorian should have his head in the game. But most of the time, it's in the clouds. See them in Scrubs.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.
Let's just say Sheldon Oberon is having an out-of-body experience like no other. See them in Jumanji.