Not to mention that on the odd, one-in-a-million chance that, say, he happened to... I don't know... fall down trying to walk, or something... upon impact with the ground, the guy's a deck of f*cking playing cards.
Shredder: "Blast you, Turtles! I've been sliced to ribbons by my own overly-complicated, needlessly pointy battle armor! I'm bleeding to death from 847 separate lacerations, 63 of which cut completely through to the bone! BLAST YOU!"
Raphael: "Come on, guy. Nobody told you to wear that silly sh*t."