Plus just the whole outlook of him wanting it to be "believable" (because sci-fi anthropomorphic space turtles is realistic), and doing away with the toxic chemical streets origins because it's "silly". Turtles started out with parody as part of what it was, this humorlessness and attempt to be "cooler" is a problem for a lotta things.
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One Piece: Pirates with style!
-= Metal Gear Solid: Tactical Espionage Action =-