Drowzee is a bipedal Pokémon that resembles a tapir. It has tired-looking eyes, a short trunk above its mouth, and triangular ears with brown interiors. The upper half of Drowzee's body is yellow and the lower half is brown. A wavy line separates the two halves. It has a round belly and short legs. Its feet are brown, except for its two toes, which are yellow. The bottom of each foot has a small, round, pink pad in the middle of it. There are three fingers on each of its hands.

Hypno is a bipedal, slightly humanoid Pokémon that has yellow skin. It has triangular ears with brown interiors, sleepy-looking eyes, and a large nose. On its neck, it has a ruff of white fur, which is longer on the female. Hypno has five fingers on each hand and holds a pendulum in its left. The pendulum resembles a flat, silver ring and is used for hypnotism. Hypno is never seen without it. It has three toes on each foot, which also have a pink pad on the undersides.