Vanessa Doofenshmirtz is a fictional character from the animated television series Phineas and Ferb. She is the teenage daughter of Dr. Heinz Doofenshmirtz, a comical evil scientist. Vanessa is known for her rebellious attitude and her love for music, often seen wearing stylish clothing and expressing her individuality. In the series, Vanessa often finds herself caught between her father's eccentric schemes and her own teenage life. Despite her father's villainous antics, she has a close relationship with him, showcasing a blend of typical teenage challenges and family dynamics in a humorous context.