This is Demetrius by nickname, also called
Demetri. He is a Council Member and professor of Environmental Engineering,
among many other specialties. He is three and a half feet tall, has white-gray
skin, large bright green eyes with double pupils and pleasant telepathic
affects.
Demetri's planet has two moons and an orange sky, which (translated) is
called "The Planet of the Burning Sky." It has no trees, but has
rich soil, great plains, and a liquid like water. Demetri is about 350 Earth
years old, in his first life and is family to Nancy by soul.