Happy!. Poster of the 2017 TV series and cover of the 2013 comic book
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Happy!
Grant Morrison, Darick Robertson, 2013
TV series vs comic book
Grant Morrison, Brian Taylor, 2017-2019

Disgraced police detective Nick Sax lives as a social outcast, filling his days with heavy drinking and substance abuse, moonlighting as a hitman to feed his various habits. After sustaining a massive heart attack, Nick comes into contact with a small, blue, winged unicorn named Happy that apparently only he can see.