Mega Cop
He's not deaf, it's just that the poor guy doesn't have an indoor tone. When he raises his voice, everyone has to cover their ears!
Starlock
He was a pretty naughty kid until he transformed into the Kazoom Kid. Then he discovered that he loves helping others and doing justice! Now he's got an awesome shield and the toughest skin in town, and he's learning to be a top hero. And he'll succeed because he's got a will... of iron!