Alya is Marinette's best friend and Ladybug's number one fan. She's a computer whiz and has an entire blog dedicated to Ladybug. Her hobbies include blogging, trying to figure out Ladybug and Cat Noir's true identities, and hanging out with Marinette and her other friends. She's really smart and very clever. Ladybug can always count on her if she needs help fighting a super-villain.