She is known for her long, magenta-colored hair styled in a comet-tail shape and large, green pearl earrings. Her typical outfit consists of a customized Team Rocket uniform: a short black crop top exposing her midriff, a white high-collared crop top with a large red "R" on it, a white miniskirt, grey high-heeled thigh-high boots, and grey gloves. She also has sapphire blue eyes.

Jessie is bold, fiery, and fiercely ambitious. She's known for her hot temper and strong pride, often refusing.