If Eduardo had the power from his counterpart's universe, he would use it to beat up those who made fun of him and his circumstances. Sure, Ed could've bit and mauled them as a dog or a weredog, and he could too. But he didn't learn boxing for nothing and that power would definitely soup up his fist.

Also, there's something about a strong beastman changing back to a human just to beat up a bunch of goons.

Its like the Ultimate Disrespect for monsters!
Not only are you getting beaten up, but the fact they're doing it in their base human form is a massive insult to injury!