While there are several superheroes blessed with the uncanny power of elasticity, two of the more iconic stretchy comic book heroes are One Piece's Monkey D. Luffy and the Fantastic Four's leader Mr. Fantastic. Naturally, since their powers are based on their ability to stretch and contort themselves in unworldly forms, the question becomes, whose stretchability is the strongest.Neither Luffy nor Mr. Fantastic were born with their powers. Instead, each came onto their powers as a