- Gemma is popular, hilarious, and always has a mouthful to say. She is cheerful and full of energy and loves to make her friends laugh. Tessa is Gemma’s older sister, and tends to baby her little sister so Gemma is always fighting for more independence.
- —Official description
Gemma is a character, one of the twelve Star Darling students at Starling Academy and also one of the supporting characters and protagonists in Disney's Star Darlings.
- Gemma is named after Gemini (♊), the third of the twelve astrological signs of the zodiac, which means the twins.