She probably heard the sound of his approach before actually seeing him. If she'd ever heard a hot rod revving it's engines, she'd recognize that someone was driving one at full pedal-meet-floor speed. Of course it wasn't his. He'd stolen it. The man that owned it tried to put up a fight, but Onyxx put his fingers through the man's eyeballs and out the back of the head, inspired by something he read in a comic book once.
He'd wiped the blood off on the man's clothes before he'd hopped in and headed off. He somehow had a feeling he wouldn't need the car for long. If he knew Candy, and he liked to think he knew her pretty well, he had a feeling she'd want to fly rather than drive. He did too, but alas, he had no flight capabilities...yet. His researchers were still working on it.
When he saw her he put the brakes on and spun the wheel, going into a spin that would whiz harmlessly by her. It was, however, headed straight for a tree, and at the last second he jumped from the car. Either he was trying to make it look like he'd died...
...or he was showing off.
He landed on his feet, pretty much right in front of her. He did look older, and had grown a thick beard and let his hair grow out, even down his back. His face was leathery and was developing lines from a great deal of shouting. But for the first time in a long, long time there was happiness in his eyes. "CANDY!" He grabbed her and lifted her off the ground, hugging her close to him and not letting go. "Oh god...oh god..." He couldn't believe this. He couldn't believe that after so many years she was alive and here and he could hold her again. "I love you so much..."