Nick's Biceps

Nick's biceps, contrary to popular belief, are not the result of Nick's intensive Jiu Jitsu training, but one of the side-effects of an alien symbiote that attached itself to Nick during his days living in Riverside. Eye witnesses claim that the being fused itself with Nick in order to consume all of the Taco Bell that was currently contained within him, as said fast food was chemically identical to a narcotic found on the symbiote's home planet. Everyone was immensely concerned - but once the symbiote triggered Nick's biceps to swollen, they decided to just roll within it until the Avengers intervened.

Nick has used his biceps for a variety of feats since their formation, including using them to press elevator buttons, and cushion Kevin's fall every time he falls from a skyscraper. Unfortunately, he has not yet figured out how to use them to open corked wine bottles; he's working hard on that one.