Lyquod

An alien creature with four legs (similar art style: tadexter.deviantart.com/art/Se…).

The Lyquod is slow, because of its four legs, which support its long and thick neck and heavy head. While the Lyquod does not have any limbs that could help it with tasks, it has a tail and what we humans would say resembles something like a hand with four fingers, a lyquodrian grip.
The Lyquod only has one orifice its "mouth" and with it, it ingests food and releases the remains (which doesn't really look like what we would call "feces").
Another strange process involves a large organ only reserved for its offspring, the Lyalpno, when the creature (the species only has one "gender") decides to produce another Lyquod and keep it growing by consciously sharing its food and feeding the new Lyquod until it is ready to be born. The parent will "puke" and thus give birth to its baby.