Yanni (later John) Alexis Mardas (Greek: Αλέξης Μάρδας; born May 5, 1942) is better known as Magic Alex, the name given to him by The Beatles when he was involved with the group between 1965 and 1969, including being head of Apple Electronics.Mardas arrived in England in 1965, exhibiting his Kinetic Light Sculptures at the Indica Gallery.