Nimble and streamlined, Teinaava's parents were mated with the sole purpose of producing offspring to fit the role of assassins within the ranks of Cheydinhal - and the twins did not disappoint. His pelt is a sleek blue-black, tipped along his dorsal with platinum guard hairs that lighten considerably beneath moonlight, his hide unmarred to signify his success in concluding his contracts swiftly. A pair of eery pewter eyes stand out against the obsidian of his sharp features, and the only hint of colour that can be found is the bleeding frost blue surrounding each pupil.

Curiously, upon his left shoulder is the faint, red-tinted shape of a pawprint: the mark of the Dark Brotherhood.