 However , the song 's commercial success has been attributed to a fan @-@ made animated music video by Ben Mangum , also known as MysteryBen27 , that garnered more than two million views in under a month . The Scooby @-@ Doo @-@ esque video involves kids running in " the most colorful , vibrant , psychedelic , funky fresh haunted mansion I 've ever had the pleasure of laying eyes on " , as described by PrinceofTheUniverse of Kotaku 's Talk Amongst Yourselves . He also noted that " Everything happens on rhythm to the song which some may find a little cheesy cliche but its a nice way to keep the viewer into whats happening visual while still enjoying the music . As if one can 't exist without the other . " 
