Sydney Jenkins

He is an insecure, shy and good-natured guy who goes from being an unhappy outsider to a more mature and determined person.
Main character traits
• Low self-esteem and insecurity: In the first season, Sid considers himself a failure, does poorly in school, and constantly doubts his own abilities.
• Kindness and Loyalty: He is incredibly loyal to his friends, has a soft heart, and genuinely cares for those close to him despite his problems.
• Dependence on someone else's authority: For a long time, he has been under the complete influence of his charismatic best friend Tony Stonem, who often manipulates him.
• Laziness and melancholy: Sid is characterized by some apathy, passivity and a tendency to go with the flow.
• Emotional vulnerability: Has a hard time dealing with constant pressure from a strict father and family problems, but gradually learns to fight back.

It's the iconic look of the mid-2000s British indie and grunge geek, combining scruffiness, baggy clothes and a naive, loser-like charm.
Sid's wardrobe essentials
• Large, chunky-framed glasses: A must-have accessory that complements his nerdy, loser image.
• Winter Beanie: Often worn as a close-fitting or slightly drooping hat, it became a signature feature of the character.
• Stretched Hoodies and Cardigans: Favored baggy sweatshirts that were a size larger, creating a relaxed and slouchy silhouette.
• Plain T-shirts: Solid colors or distressed prints with a 90s retro/indie rock feel.
• Fur-lined jackets and parkas: Everyday outerwear that looks like it was bought at a thrift store without much thought.
• Distressed Jeans and Sneakers: Straight or slightly tapered jeans paired with distressed sneakers complete the 'rugged teen' look.
Features of the style
• Aesthetic Analysis: As Mediiia notes, Sid's clothes are a visual reflection of his lack of self-confidence, shyness, and chaos in his personal life.
• Quick and dirty practicality: This is a classic example of British youth style from the indie sleaze and nascent Y2K grunge eras, where deliberate nonchalance and comfort were prized.