Well before Ghost and Sleep Token took anonymity to the extreme, Kiss kept rock & roll fans guessing with simple makeup and high heels. But no matter how obscured Ace Frehley ’s human face and torso may have been, it was easy to discern that a comedian with crackerjack timing lived beneath his Spaceman costume. Kiss’ lead guitar player, who died Thursday at 74, had a razor-sharp wit and electrifying, often imitated laugh — fans called it the “ack!” — that counterbalanced Gene Simmons’ perpetual