Each Mr. Meeseeks is a tall, blue-skinned humanoid figure with elongated, narrow limbs, a large, bulbous head, beady black eyes, and a high-pitched voice. Some versions of him have one or more small patches of orange hair on their head, while others are bald. Mr. Meeseeks usually exhibits a friendly, cheerful, and helpful demeanor; willing to assist the one who brought him into existence, however possible, in order to ensure their own death.