Ness's Nightmare

Ness's Nightmare is a boss in EarthBound, appearing in Ness's version of Magicant. The sprite of this enemy is extremely similar to that of the Mani-Mani Statue. It has the ability to use PSI Rockin. Ness's Nightmare is a representation of the evil part of Ness's mind, and he must defeat it to overcome his evil side.

Trivia

 * The final battle with the Masked Man in Mother 3 has the same battle background as Ness's Nightmare.
 * Giygas and Ness's Nightmare are the only enemies that know PSI Rockin.