 Upon seeing Jarvis (the human protagonist), trudge along, Tweel walks beside him.Although the Thoth are more or less humanoid in appearance, their physiology is remarkably different from that of humans; one example of this would be the fact that their brain in located in the chest, and not the head.The Thoth have feather-like appendages that protect them from the chilly Martian nights very well, but these are retracted and invisible during the day.