Notes:

The Nerd: Jimmy Neutron (Jimmy Neutron: Boy Genius)
The Party Animal: Crash Bandicoot (Crash Bandicoot)
The Dumb Blonde: Boomer (The Powerpuff Girls)
The Schemer: Vanitas (KH: Birth by Sleep)
The BFG: Oncie (The Lorax)
The Goth: Nina Cortex (Crash Bandicoot)
The Criminal: Tempest (Speed Punks)
The Athlete: Princess Daisy (Super Mario Bros)
The Lamest: Big the Cat (Sonic Adventure)
The Musician: Lammy (UmJammer Lammy)
The Surfer: Wave the Swallow (Sonic Riders)
The Best Friends: Mordecai and Rigby (Regular Show)
The Royal Pain: Robin (Teen Titans Go!)
The Know-it-all: Dexter (Dexter's Laboratory)
The Home-Schooled: Kim Pine (Scott Pilgrim)
The Child: Chris Thorndyke (Sonic X)
The Hottie: Chris (Monster Buster Club)
The Headstrong: Ike (Fire Emblem)
The Short-Tempered: Eren Jaeger (Attack on Titan)
The Favorite: Ulrich Stern (Code Lyoko)
The Crazy One: Some Random Minion (Despicable Me)