Thor 'Vadam, previously known as Thor 'Vadamee, was a renowned Sangheili warrior. He served with two different militaries from 2536 through 2622. Afterward, he retired to his homeworld and became an academic teacher at the Iruiru War College, where he taught students for almost forty UNSC years. During his career as a soldier, he fought through many of the most important and well known battles during the Human-Covenant War, Great Schism, Peasant's Riots, and Second Human-Covenant War. He was also known as one of the smartest Sangheili of all time, speaking fluently in Covenant, Unggoy, Sangheili Native, English, German, Chinese, Lekgolo Native, and a small portion of French.