The Proteus is a sleek, futuristic car body designed for Rocket League Sideswipe, featuring a vibrant, cartoonish 3D aesthetic. Its form is aerodynamic with smooth, curved surfaces and angular accents, giving it a dynamic and aggressive look. The body is predominantly metallic with a glossy finish, adorned with neon decals that glow in contrasting colors, enhancing its high-energy sports vibe. Distinctive design elements include a split rear wing and a streamlined front bumper with integrated headlights that emit a soft glow.