戈雷

gray (unit of absorbed dose of ionizing radiation) (loanword) (Tw)

surname Lei

thunder / mine (weapon) / (Internet slang) terrifying / terrific

thunder / (bound form) (military) mine, as in 地雷[di4 lei2] land mine / (coll.) to shock; to stun; to astound / (Tw) (coll.) spoiler / (Tw) (coll.) to reveal plot details to (sb)

surname Ge

dagger-axe / abbr. for 戈瑞[ge1 rui4] / (Tw) abbr. for 戈雷[ge1 lei2]