I would be uncomfortable if I found a fictional character that looked similar to me. I would probably consider stop reading/watching whatever thing it's in, then go read/watch it again out of morbid curiosity. There was one time I did see a video on YouTube with a character that looked like me...
I shove my paper in front of the roadblocks face and yell "look what you've done!" Then crumple on the ground until the roadblock slowly moves away. Works every dang time.
Make Usher be his inspiration and have him act like he's in a sentimental music video confessing his love for her. Then have the girl interrupt him and say what are you doing. I think that's the best way for him to be embarrassed because she would distance herself from him.