Sigma

He gets along well with many people, and his friends are Partial Derivative and Psi, although he is closer to the former since he was the one who made his skateboard and his custom glasses together.

Sigma is an orange symbol with lighter limbs, wears spiked wristbands, long, pointed glasses with four different colored glitter (light blue, blue, yellow, and orange), and is usually seen on a skateboard of the same colors with black wheels and yellow stars.

Sigma is not usually indifferent or unfriendly; on the contrary, he tries to appear stylish and impressive to others. He has a calm and unassuming demeanor, as he wants to maintain a positive attitude despite his good looks and style. He enjoys talking to his admirers and giving them advice if needed.