FX (voiced by Gregg Berger) is a character from Fantastic Max. He is from the planet "Twinkle Twinkle."
FX is an alien doll who can create virtually anything using magic powers. Max is his best friend and never wants to leave him. His catchphrase is "Rocket and Roll!"
FX is a green alien doll he has antennaes with green balls at the ends and a silver colored ring which is attached to a yellow string.