Wild Ghosts are one of the three known forms of Ghosts from the Hidden Side. They generally seems to be created from people or creatures who has had a very chaotic life, a bizarre/unnatural death or who are insane.
- Archibald the 1st
- Jake Rosebud
- Ivan Monroe
- Matt with the Propeller Hat
- Professor Iken
- The Wild Ghosts are currently the only type of Ghost that don't have a Final Boss Ghost, which is the Boss Ghost that appears in the most expensive set of each LEGO Hidden Side wave.
- They're also the only type of ghosts without a female Boss Ghost (Sad Ghosts have Mamali, and Anger Ghosts have Lady Evelina and Maxine Turbo).
- Except for the boss ghosts, wild ghosts do not appear as generic ghosts in the web series.
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