<Ul> <Li> Hayley Smith--Steve's sister, whom he lusts after . In "Stannie Get Your Gun", Roger tricks Steve into thinking he's adopted so he French kisses Hayley . Then, in "Meter Made", Steve masturbates to a painting of Hayley nude but he was unaware it was her because her face wasn't shown on the painting . This shows that he finds his sister's body attractive . </Li> </Ul> <Li> Hayley Smith--Steve's sister, whom he lusts after . In "Stannie Get Your Gun", Roger tricks Steve into thinking he's adopted so he French kisses Hayley . Then, in "Meter Made", Steve masturbates to a painting of Hayley nude but he was unaware it was her because her face wasn't shown on the painting . This shows that he finds his sister's body attractive . </Li> <Ul> <Li> Debbie Hyman--an overweight, goth girl that Steve meets in "The American Dad After - School Special". Steve later asks her out but when Stan meets Debbie, he develops anorexia . Steve thinks Debbie is the cause of his father's condition and breaks up with her . Later, Steve tells Stan that Debbie was the best thing that ever happened to him . Debbie was in the room and heard so the two got back together . She next appears in "Iced, Iced Babies", where she breaks up with Steve . They get back together in "Escape from Pearl Bailey". When Lisa Silver and her friends make fun of Debbie, Steve gets revenge on them . When Debbie finds out, she breaks up with Steve, but Steve claims he was defending her honor and they get back together . Later, in "Bar Mitzvah Hustle", she dumps Steve for Snot's bar mitzvah study partner, Etan, for being more mature . When Steve exposes Etan's true immaturity, she dumps Etan and gets back together with Steve . Later, she finds out Steve was the one who stole Etan's presents and ends her relationship with him again . </Li> </Ul> <Li> Debbie Hyman--an overweight, goth girl that Steve meets in "The American Dad After - School Special". Steve later asks her out but when Stan meets Debbie, he develops anorexia . Steve thinks Debbie is the cause of his father's condition and breaks up with her . Later, Steve tells Stan that Debbie was the best thing that ever happened to him . Debbie was in the room and heard so the two got back together . She next appears in "Iced, Iced Babies", where she breaks up with Steve . They get back together in "Escape from Pearl Bailey". When Lisa Silver and her friends make fun of Debbie, Steve gets revenge on them . When Debbie finds out, she breaks up with Steve, but Steve claims he was defending her honor and they get back together . Later, in "Bar Mitzvah Hustle", she dumps Steve for Snot's bar mitzvah study partner, Etan, for being more mature . When Steve exposes Etan's true immaturity, she dumps Etan and gets back together with Steve . Later, she finds out Steve was the one who stole Etan's presents and ends her relationship with him again . </Li>

Who does the singing for steve on american dad