Reversible Octopus Plush Toy, 

reversible octopus plush toy, often used as a sensory fidget toy to express emotions.
It has two sides, one happy and one angry, which can be flipped to show different moods.
It's used by autistic people as a way to communicate their feelings.
It's also a popular toy for children, and can be used to express a range of emotions.
Some names for the toy include Whoa, Pearl, Marina, Coral, Luna, Sirena, Aqua, and Undine.