Tonton Streaming Darkwing Duck (1991) S1E56 - The Haunting of Mr. Banana Brain

A Sprit named Paddywhack is unleashed from a jack in the box when Gosalyn gets into mischief, and possesses Quackerjack's doll, Mr. Banana Brain. As he causes trouble alongside the demented toymaker, he grows, feeding from the negative emotions around himself.