Ronnie is pop singer with a handsome face whom was said to be the "voice of the generation". In reality, he is a fake pop star with a manufactured image. His motivation for his role as a pop singer is only for fame and money that comes with the job.
In the episode "Preteen Scream," Ronnie Matthews is first shown to be an ideal model. However when Phoebe wins a contest to meet him after one of his concerts, she discovers he actually has no musical talent, does not write or compose the songs he sings, and lip syncs his performances because of his thick Spanish accent. Also, he mispronounces Phoebe's and Helga's names.