- He Also Did: That's right, the same Mark J. Hadley that made the critically-acclaimed Slender video game also made the Immortality Syndrome series (and plenty other Powerpuff Girls stories and projects, the most popular one being Powerpuff Z III).
http://tvtropes.org/pmwiki/pmwiki.php/Trivia/ImmortalitySyndrome
FollowingTrivia / Immortality Syndrome
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