Marinette Dupain-Cheng is the title character Ladybug in Zagtoons Miraculous Ladybug.
She has a crush on her classmate Adrien Agreste, and can be seen as a yandere. While she isn't as insane and won't murder other girls, she stalks Adrien and tries to get him to not like other girls. She keeps photos of him under his bed, a senpai shrine. Marinette wants to be noticed by Adrian, but when she is, she freaks out.