1. Danny Zuko: Danny is the leader of the T-Birds, a group of greasers. He has a slicked-back hairstyle with a "ducktail," wears a black leather jacket, a white T-shirt, jeans, and leather boots.
2. Sandy Dumbrowski: Sandy is Danny's love interest and the "good girl" of the story. She has blonde hair usually in pigtails or curls, wears a pink poodle skirt, a cardigan sweater, and saddle shoes.
3. Rizzo: Rizzo is the leader of the Pink Ladies, a group of tough and independent girls. She has brunette hair, wears a black leather jacket, a black skirt, and high heels.
4. Kenickie: Kenickie is Danny's best friend and a member of the T-Birds. He has dark hair, a leather jacket, a white T-shirt, jeans, and boots.
5. Doody: Doody is a member of the T-Birds and is known for his comedic moments. He has a quirky hairstyle, wears a colorful shirt, jeans, and sneakers.
6. Frenchy: Frenchy is a Pink Lady known for her ditzy personality. She has blonde hair, wears a pink blouse, a poodle skirt, and saddle shoes.
7. Roger: Roger is a T-Bird who is dating Jan. He has dark hair and is often seen wearing a leather jacket, jeans, and boots.
8. Marty: Marty is a Pink Lady who is often seen with Rizzo. She has dark hair and is known for her sassy attitude.
9. Sonny: Sonny is a member of the T-Birds who is known for his tough demeanor. He has dark hair and is often seen wearing a leather jacket, jeans, and boots.
10. Jan: Jan is a Pink Lady who is Roger's girlfriend. She has blonde hair and is often seen wearing a Pink Lady jacket and skirt.
11. Vince Fontaine: Vince Fontaine is the host of the school's dance party. He has a slicked-back hairstyle, a colorful suit, and a flashy personality.
12. Miss Lynch: Miss Lynch is the strict and conservative Rydell High School principal. She has a bun hairstyle, wears a dark dress, and carries an authoritative presence.
These characters' appearances contribute to the overall aesthetic of Grease and help define their individual personalities and roles within the story.