 Tweel (A Martian Odyssey)

Tweel (also referred to as a "Tweerl", the exact pronunciation of the word is said to be impossible for humans) is a fictional extraterrestrial from the planet Mars, featured in two short stories by Stanley G. Weinbaum.The alien was featured in "A Martian Odyssey", first published in 1934, and "Valley of Dreams" four months later.