Promethium: He likes watches Samarium: She's used in infrared absorbing glass Europium: She's from Europe and is a bright and clever girl, due to her light bulb Gadolinium: She's used in high compact disks Terbium: She's used to make medical x-rays safer Dysprosium: He's used to make lasers Holmium: She's the most magnetic element Erbium: She's a great neutron attractor Thulium: He's a surgeon Ytterbium: She's used in scientific lasers