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<b>Mousse</b> is the vision-impaired suitor of <b>Shampoo</b>. Even though <b>Shampoo</b> has shown no interest in him almost their entire lives, <b>Mousse</b> continues to fight for the attention of the woman he loves. He blames <b>Ranma</b> for <b>Shampoo</b>'s dislike of him, and is constantly at odds with <b>Ranma</b>.

<b>Mousse</b> is able to combine aspects of slight-of-hand magic techniques with his martial arts, allowing him to pull many weapons out of his oversized sleeves.

After <b>Mousse</b>'s first loss to <b>Ranma</b>, he took a training voyage to Jusenkyo, where he accidently walked into the "Spring of Drowned Duck". <b>Mousse</b> also blames <b>Ranma</b> for his curse, since he believes that if he hadn't lost he wouldn't have needed the extra training to beat <b>Ranma</b>. <b>Mousse</b> forumulates plan after plan to try and break <b>Ranma</b>'s hold over the woman he loves, but nothing seems to work.