Three of the top four neighbors in James Murray's similarity data are his Impractical Jokers castmates — and the scores are nearly identical, forming a tight cluster that dominates the top 10.
Joe Gatto leads at 0.9961, followed by Sal Vulcano at 0.9914 and the show itself, Impractical Jokers, at 0.9888. Brian Quinn — the fourth castmate — sits at 0.9861. These four scores are separated by only 0.01, a band so narrow it reads as a single structural unit. Similarity here measures audience composition, not thematic overlap; the near-identical scores mean the audiences following each of these entities are shaped almost identically.
The two-peak shape comes from what happens after that cluster. Scores drop roughly 0.10 before the next tier begins, and the neighbors there shift in kind: Kevin James (0.8830) and Bert Kreischer (0.8713) are an actor and a comedian respectively, followed by MLB The Show (0.8665) — a video game franchise — and Adam Sandler (0.8637). Applebee's (0.8637) and Daniel Tosh (0.8548) round out the top 10. This second cluster mixes comedians, actors, and consumer brands — a broader, more diffuse neighborhood than the tight castmate peak above it.
The overall shape is an audience anchored almost entirely to one specific show's fanbase, with a secondary pull toward mainstream comedy and casual American entertainment.