The Harmonica is an object debuted in the episode, Walking Fish.
The Harmonica has a magical ability to rouse the dead whenever someone plays it. The dead can only rise up for as long as the harmonica plays music, and will promptly drop dead again once the music stops.
The case appears in the color of gold, consisting of a skull with small music notes designed on it.
The harmonica is a golden chromatic harmonica, with a skull on top of it.
- Harold calls the harmonica a "musical candy bar".
- When played, the harmonica automatically plays a tune that makes fish come to life.